| jī | machine/engine/opportunity/intention/aircraft/pivot/crucial point/flexible (quick-witted)/organic/surname Ji/CL:臺|台[tai2] |
| 机 | surname Ji |
| 机上导弹 | air-launched missile |
| 机不可失 | No time to lose! (idiom) |
| 机不可失，时不再来 | Opportunity knocks but once. (idiom) |
| 机主 | owner |
| 机井 | driven well; motor-pumped well; pump well |
| 机件 | work; machine member; gadget; organ |
| 机会 | opportunity chance occasion |
| 机会主义 | opportunism pragmatism |
| 机会主义路线 | opportunist line |
| 机会主义路线者 | an opportunist |
| 机会均等 | fair go; equality of opportunity; equal opportunity |
| 机会带来成功 | Opportunity brings success. (idiom) |
| 机会成本 | opportunity cost |
| 机伶 | quick-witted; clever; readily responsive |
| 机位 | seat in the plane |
| 机体 | organism human body |
| 机体觉 | organic sensation |
| 机体负担 | body burden |
| 机修 | machine maintenance |