|  | thread   / string   / wire   / line   / CL: 條|条,  股,  根 / (after a number) tier (unofficial ranking of a Chinese city)   | HSK 3  | 
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 |  | light ray   / CL: 條|条,  道 / light   / illumination   / lighting (for a photograph)   | HSK 5  | 
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 |  | front line   | HSK 7-9  | 
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 |  | itinerary   / route   / political line (e.g. right revisionist road)   / CL: 條|条 | HSK 3  | 
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 |  | front line  / military front  / workface  / cutting edge   | HSK 7-9  | 
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 |  | trail  / clues  / thread (of a story)   | HSK 5  | 
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 |  | hotline (communications link)   | HSK 6  | 
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 |  | straight line  / sharply (rise or fall)   | HSK 5  | 
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 |  | front line  / forefront   | HSK 7-9  | 
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 |  | insider trading (illegal share-dealing)   |  | 
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 |  | short term   |  | 
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 |  | the starting line (of a race)  / scratch line (in a relay race)   | HSK 7-9  | 
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 |  | to go online; to put sth online  / to reach a specific standard  / to put into production  / handler (person who oversees and directs the activities of another person in a gang, spy ring etc)   |  | 
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 |  | cease-fire line   |  | 
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 |  | passing line or score (in an examination)   |  | 
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 |  | police cordon  / alert level   |  | 
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 |  | plumbline   |  | 
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 |  | Siegfried Line, line of German military defenses during WWI and WWII   |  | 
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 |  | candlestick (in a candlestick chart)   |  | 
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 |  | lip liner   |  | 
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 |  | horizontal line (in a fraction)  / minimum passing score   |  | 
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 |  | radio; wireless (i.e. the technology used in radio telecommunication)  / a radio   | HSK 7-9  | 
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 |  | trunk line (of road, network etc)  / backbone (cable)   |  | 
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 |  | the whole front (in a war)  / the whole length (of a road or railway line)   |  | 
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 |  | outline; silhouette   |  | 
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 |  | online; connected to the Internet  / (fig.) (coll.) (of a person) mentally focused; engaged; (of skills, performance etc) sharp; on point; functioning at a high level   | HSK 7-9  | 
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 |  | a hair's breadth apart  / a fine line  / a fine distinction   |  | 
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 |  | cable television   |  | 
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 |  | antenna; aerial  / (fig.) connection to higher authorities; channel to influential people   | HSK 7-9  | 
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 |  | line of sight   | HSK 7-9  | 
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 |  | coastline  / seaboard  / shoreline   |  | 
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 |  | cable  / wire  / cord (computer)   |  | 
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 |  | candlestick chart   |  | 
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 |  | to go offline  / (of a product) to roll off the assembly line  / downline (person below oneself in a pyramid scheme)   |  | 
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 |  | bottom line; the limit of what one is prepared to accept  / (sports) baseline  / (sewing) under thread  / spy; informer; plant   | HSK 7-9  | 
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 |  | foreshadowing (literary device)   |  | 
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 |  | line (in drawing, calligraphy etc)  / the lines or contours of a three-dimensional object (hairstyle, clothing, car etc)   | HSK 7-9  | 
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 |  | FireWire (IEEE 1394 data-transfer interface)   |  | 
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 |  | firing line (battle)  / live electrical wire   |  | 
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 |  | (electricity) line; circuit; wire  / (traffic) road; track; route   | HSK 6  | 
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 |  | main line (of communication)  / main thread (of a plotline or concept)  / central theme   |  | 
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 |  | online   |  | 
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 |  | along the line (e.g. railway)  / the region near the line   | HSK 7-9  | 
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 |  | crosswalk  / pedestrian crossing with zebra stripes   |  | 
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 |  | America Online (AOL)   |  | 
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 |  | to delineate  / to draw a line  / to underline   |  | 
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 |  | cotton thread  / yarn cotton   |  | 
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 |  | lifeline   | HSK 7-9  | 
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 |  | fuse (for explosives)  / (fig.) proximate cause  / the last straw   |  | 
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 |  | (politics) popular front   |  | 
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 |  | assembly line  / (computing) pipeline   |  | 
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 |  | cosmic ray   |  | 
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 |  | a gleam of hope   |  | 
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 |  | assembly line  / production line   |  | 
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 |  | line chart   |  | 
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 |  | busy (telephone line)   |  | 
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 |  | the mass line, CCP term for Party policy aimed at broadening and cultivating contacts with the masses   |  | 
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 |  | wireless   | HSK 7-9  | 
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 |  | (computing) offline   |  | 
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 |  | cubic curve (geometry)   |  | 
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 |  | ray   |  | 
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 |  | (music) bar line   |  | 
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 |  | to have a ripped seam   |  | 
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 |  | linear wave   |  | 
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 |  | ruler (used for drawing lines)   |  | 
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 |  | horizon   |  | 
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 |  | special-purpose phone line or communications link   / hotline   / special rail line (e.g. between airport and city)   / CL: 條|条 |  | 
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 |  | infrared ray   |  | 
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 |  | line of magnetic flux   |  | 
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 |  | gleam   |  | 
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 |  | to do needlework   |  | 
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 |  | to get disconnected (from the Internet)   |  | 
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 |  | (math.) perpendicular line  / vertical line   |  | 
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 |  | horizontal line  / (math.) horizontal axis   |  | 
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 |  | a fine line  / a fine distinction   |  | 
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 |  | (idiom) a chance of survival; a fighting chance; a ray of hope   |  | 
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 |  | (math.) algebraic curve   |  | 
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 |  | (sports) to go out of bounds  / to go over the line  / to qualify for the next round of competition  / (Tw) (fig.) to make the grade  / to achieve success   |  | 
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 |  | line graph  / line diagram   |  | 
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 |  | (computing) near-field communication (NFC)   |  | 
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 |  | main line  / trunk line   |  | 
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 |  | use a long line to catch a big fish (idiom); a long-term plan for major returns   |  | 
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 |  | (computing) Universal Serial Bus; USB   |  | 
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 |  | timeline   |  | 
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 |  | outer ring (road or rail line)   |  | 
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 |  | Tropic of Capricorn   |  | 
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 |  | domestic flight  / internal line (air, train, ferry etc)   |  | 
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 |  | national border   |  | 
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 |  | to exceed  / to overstep the limit   |  | 
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 |  | boundary line  / border line   |  | 
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 |  | rifling (spiral lines on inside of gun barrel imparting spin to the bullet)   |  | 
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 |  | switchboard operator   |  | 
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 |  | dotted line  / dashed line  / (math.) imaginary line   |  | 
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 |  | telephone line   |  | 
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 |  | high tension power line   |  | 
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 |  | skyline  / horizon   |  | 
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 |  | hatched lines  / cross-hatched graphic pattern   |  | 
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 |  | transmission line   |  | 
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 |  | crosswalk  / zebra crossing   |  | 
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 |  | the Greenwich meridian   |  | 
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