|  |  | it doesn't matter  | HSK 1 | 
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|  |  | to connect  / to relate to  / to tie up  / to bind  / to be (literary)  | HSK 3 | 
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|  |  | relation  /  relationship  /  to concern  /  to affect  /  to have to do with  /  guanxi  / CL: 個|个 | HSK 3 | 
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|  |  | system  / department  / faculty  | HSK 3 | 
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|  |  | connection  / contact  / relation  / to get in touch with  / to integrate  / to link  / to touch  | HSK 3 | 
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|  |  | to connect  / to arrest  / to worry  | HSK 3 | 
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|  |  | to tie  / to fasten  / to button up  | HSK 4 | 
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|  |  | (neologism c. 2017) (coll.) chill about everything (typically used to describe young people who don't buy into aspirational society)  |  | 
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|  |  | (university education) major  |  | 
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|  |  | barred spiral galaxy  |  | 
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|  |  |  | HSK 3 | 
|  | 
|  | 
|  |  | to transfer (from one unit to another)  |  | 
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|  |  | Sino-Russian relations  |  | 
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|  |  | public relations  |  | 
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|  |  | interpersonal relationship  |  | 
|  | 
|  | 
|  |  | international relations  |  | 
|  | 
|  | 
|  |  | foreign relations  / diplomatic relations  |  | 
|  | 
|  | 
|  |  | foreign relations  |  | 
|  | 
|  | 
|  |  | Sino-Japanese relations  |  | 
|  | 
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|  |  | lineage  / genealogy  / family tree  |  | 
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|  |  |  | HSK 7-9 | 
|  | 
|  | 
|  |  | department of chemistry  |  | 
|  | 
|  | 
|  |  | system of thought  / ideology  |  | 
|  | 
|  | 
|  |  | stake  / vital interest  / concern  |  | 
|  | 
|  | 
|  |  | (regional) cuisine  |  | 
|  | 
|  | 
|  |  | solar system  |  | 
|  | 
|  | 
|  |  | relations between levels of production  / socio-economic relations  |  | 
|  | 
|  | 
|  |  | maternal  / matriarchal  |  | 
|  | 
|  | 
|  |  | Andromeda galaxy M31  |  | 
|  | 
|  | 
|  |  | to be connected  / to be related  |  | 
|  | 
|  | 
|  |  | Andromeda galaxy M31  |  | 
|  | 
|  | 
|  |  | (math.) recurrence relation  |  | 
|  | 
|  | 
|  |  | to have sexual relations with sb  / to have dealings with  |  | 
|  | 
|  | 
|  |  | anglophone  / English department  |  | 
|  | 
|  | 
|  |  |  |  | 
|  | 
|  | 
|  |  | department of foreign languages  / modern languages (college department)  |  | 
|  | 
|  | 
|  |  | drainage system  |  | 
|  | 
|  | 
|  |  | sexual relations  / sexual contact  / intercourse  |  | 
|  | 
|  | 
|  |  | paternal line  / patrilineal  |  | 
|  | 
|  | 
|  |  | social credit system, a system that incentivizes individuals and businesses by creating consequences for good and bad behavior  |  | 
|  | 
|  | 
|  |  | improper relationship; illicit relationship  |  | 
|  | 
|  | 
|  |  | mutually related  / interconnected  |  | 
|  | 
|  | 
|  |  | responsibility  |  | 
|  | 
|  | 
|  |  | periodic system  / periodicity (chemistry)  |  | 
|  | 
|  | 
|  |  | (slang, coined c. 2017, contrasted with 佛系 ) Dao-type, a type of person who has traits associated with a Daoist approach to life, such as being active, optimistic, earthy and forthright  |  | 
|  | 
|  | 
|  |  | Physical Education department  |  | 
|  | 
|  | 
|  |  | political relations  |  | 
|  | 
|  | 
|  |  | economic system  |  | 
|  | 
|  | 
|  |  | Ordovician system (geology)  |  | 
|  | 
|  | 
|  |  | to link  / to connect  |  | 
|  | 
|  | 
|  |  | Indo-European family of languages  |  | 
|  | 
|  | 
|  |  | (attributive) of Japanese origin  |  | 
|  | 
|  | 
|  |  | evolutionary line  / line of descent  |  | 
|  | 
|  | 
|  |  | to seek contact with sb for one's own benefit  / to suck up to sb  |  | 
|  | 
|  | 
|  |  | frame of reference  |  | 
|  | 
|  | 
|  |  | National Health Service (UK)  |  | 
|  | 
|  | 
|  |  | (Tw) ecosystem  |  | 
|  | 
|  | 
|  |  | to maintain  / to keep up  / to hold together  |  | 
|  | 
|  | 
|  |  | (math.) equivalence relation  |  | 
|  | 
|  | 
|  |  | root system  |  | 
|  | 
|  | 
|  |  | coordinate system (geometry)  |  | 
|  | 
|  | 
|  |  | extragalactic star system  / galaxy (not including our Galaxy)  |  | 
|  | 
|  | 
|  |  | sect  / faction  |  | 
|  | 
|  | 
|  |  | man-woman connection  / intimate relationship  |  | 
|  | 
|  | 
|  |  | ancestry  /  lineage  /  pedigree  /  also written 祖係|祖系 |  | 
|  | 
|  | 
|  |  |  |  | 
|  | 
|  | 
|  |  | direct line of descent  / under one's personal command  / school or faction passing on faithfully one's doctrine  |  | 
|  | 
|  | 
|  |  | to enroll without declaring one's major or department (in one's first year(s) of university)  |  | 
|  | 
|  | 
|  |  | phylogenetic relationship  |  | 
|  | 
|  | 
|  |  | Milky Way Galaxy  / the galaxy (our galaxy)  |  | 
|  | 
|  | 
|  |  | stellar system  / galaxy  |  | 
|  | 
|  | 
|  |  |  |  | 
|  | 
|  | 
|  |  | directly related  |  | 
|  | 
|  | 
|  |  | industrial relations  / relations between labor and capital  |  | 
|  | 
|  | 
|  |  | department  |  | 
|  | 
|  | 
|  |  | pedigree  |  | 
|  | 
|  | 
|  |  | cold relations (e.g. between countries)  |  | 
|  | 
|  | 
|  |  | relationship that is more than friendship  |  | 
|  | 
|  | 
|  |  | newspaper chain  / syndicate  |  | 
|  | 
|  | 
|  |  | special relation  |  | 
|  | 
|  | 
|  |  | carboniferous system  / coal measure (geology)  |  | 
|  | 
|  | 
|  |  | branch or subdivision of a family  |  | 
|  | 
|  | 
|  |  | uplifting; rejuvenating; heartwarming  |  | 
|  | 
|  | 
|  |  | crystal system  |  | 
|  | 
|  | 
|  |  | interrelationship  |  | 
|  | 
|  | 
|  |  | strain (of a species)  |  | 
|  | 
|  | 
|  |  | Cordillera, series of mountain ranges stretching from Patagonia in South America through to Alaska and Aleutian islands  |  | 
|  | 
|  | 
|  |  | shady relationship  / affair  / adulterous relationship  |  | 
|  | 
|  | 
|  |  | institute of Sinology  / faculty of Sinology  |  | 
|  | 
|  | 
|  |  | Hamito-Semitic family of languages (incl. Arabic, Aramaic, Hebrew etc)  |  | 
|  | 
|  | 
|  |  | Fengtian clique (of northern warlords)  |  | 
|  | 
|  | 
|  |  | medical school  |  | 
|  | 
|  | 
|  |  | compendium  |  | 
|  | 
|  | 
|  |  | fold mountain system (geology)  |  | 
|  | 
|  | 
|  |  | Silurian system (geology)  /  see 志留紀|志留纪 |  | 
|  | 
|  | 
|  |  | relations between labor and employer  / industrial relations  |  | 
|  | 
|  | 
|  |  | Beiyang faction of Northern Warlords  |  | 
|  | 
|  | 
|  |  | Sino-Tibetan language family  |  | 
|  | 
|  | 
|  |  | blood relationship; consanguinity  |  | 
|  | 
|  | 
|  |  | triangular relationship; (esp.) a love triangle  |  | 
|  |