| 幺并矢 | yao1 bing4 shi3 | idemfactor (expressing a vector as sum of its three orthogonal projections) |
| 武经七书 | wu3 jing1 qi1 shu1 | Truncated - click through for definition |
| 烓 | wei1 | three-cornered stove |
| 王五 | wang2 wu3 | Wang Wu, name for an unspecified person, third of a series of three: å¼µä¸‰å¼ ä¸‰[Zhang1 San1], æŽå››[Li3 Si4], 王五 Tom, Dick and Harry |
| 程昱 | cheng2 yu4 | Cheng Yu (141-220), advisor to General Cao Cao æ›¹æ“ during the Three Kingdoms era |
| 三五成群 | san1 wu3 cheng2 qun2 | people stand around in small clumps |
| 三天两头 | san1 tian1 liang3 tou2 | frequently |
| 三星级 | san1 xing1 ji2 | three-star |
| 一板三眼 | yi1 ban3 san1 yan3 | fig. scrupulous attention to detail |
| 七分袖 | qi1 fen1 xiu4 | three-quarter sleeve |
| 三个方面 | san1 ge5 fang1 mian4 | three areas |
| 三个臭皮匠，合成一个诸葛亮 | san1 ge4 chou4 pi2 jiang5 he2 cheng2 yi1 ge4 zhu1 ge3 liang4 | fig. collective wisdom |
| 三个臭皮匠，赛过诸葛亮 | san1 ge4 chou4 pi2 jiang5 sai4 guo4 zhu1 ge3 liang4 | fig. collective wisdom |