to insert / stick in / pierce / to take part in / to interfere / to interpose

old variant of 插

socket / outlet

to insert / to stick / to thrust

illustration

illustration

music played during a movie, play etc / incidental music / music played in a theatrical interlude / (fig.) incident / episode

to insert / to take turns, alternate / to interweave / to interlace / subplot / interlude / episode / (military) to thrust deep into the enemy forces

flower arranging / ikebana

slot

plug

to get involved in / to meddle / interference

to transplant rice seedlings

to insert / to stick in / to plug in (an electronic device)

to plug into / to insert / to stick in

to interrupt (sb talking) / to butt in / to cut into a conversation

episode / brief interlude

to place in a certain position / to assign to a job / to plant / resettlement (old)

to interrupt (sb speaking) / interruption / digression

jack / socket

to slide in and out / thrusting

unplugged (of rock musicians performing on acoustic instruments)

to install (hardware) internally (rather than plugging it in as a peripheral) / (math.) to interpolate / interpolation

power strip

to squeeze in / to step in / to take part / to step between (two persons in a relationship)

to interrupt (a radio or TV program) with a commercial insert, breaking news etc / to put a call on hold

plug and play (computing)

to extrapolate / extrapolation (math.) / (computing) to plug in (a peripheral device etc)

bolt (for locking a window, cabinet etc) / (electrical) plug

(idiom) (of a good outcome) unanticipated / serendipitous / fortuitous

to cut in line / to jump a queue / to live on a rural community (during the Cultural Revolution)

to join a class partway through the course

to put one's hands on one's hips

power strip

hot swapping

power strip / powerboard (with multiple electrical sockets)

lit. to see a gap and stick in a needle (idiom); fig. to make use of every second and every inch

lit. knifes piercing both sides (idiom) / fig. to attach a great importance to friendship, up to the point of being able to sacrifice oneself for it

interpolation (math.)

to shove in / to edge in / fig. to poke one's nose into people's business / prong

power strip

to marry and live with the bride's family (inverting traditional Chinese expectations)

lit. even given wings, you couldn't fly (idiom); fig. impossible to escape

socket (for an electric plug) / to interrupt (sb speaking) / to butt in

lit. a bunch of flowers poked into a pile of manure / fig. a terrible shame (as when a lovely woman marries an odious man)

interjection

to be unable to intervene

plug-and-play

lit. idly poke a stick in the mud and it grows into a tree to shade you / (fig.) unintentional actions may bring unexpected success / also written 無心插柳柳成蔭｜无心插柳柳成荫

endotracheal intubation (medicine)

crowded tightly / jam-packed

to include impromptu comic material in opera performance (idiom); to jest / buffoonery

mortise lock

plug-in (software or hardware) / to plug in a component

insertion element

illustrator

(coll.) to intubate

interpolation (math.)

(medicine) to intubate / intubation / (endotracheal) tube

electric socket / power point

(of a device, e.g. public telephone, ticket inspection machine) designed to have a card or ticket inserted

slot advertisement / interstitial ad / splash ad

lit. you plant a garden and the flowers do not bloom, you poke a stick in the mud and it grows into a tree / fig. things do not always turn out as one would expect / well-laid plans may fail, and success may come where you least expect it

to replug / to disconnect and reconnect (from a plug, port, connection etc)