| 三流货色 third rater |
| 三灾八难 suffer from one ailment afte... |
| 三点 three-point |
| 三点式游泳衣 bikini |
| 三点测交 three-point test cross |
| 三点着陆 three-point landing |
| 三熟制 triple-cropping system |
| 三牙轮钻头 three cone bit |
| 三犁三耙 plough and harrow again and ... |
| 三班 Class Three |
| 三班六房 all the officials in the yam... |
| 三班制 three-shift system |
| 三瓦两舍 disreputable quarters of the... |
| 三生之石 predestined friendship |
| 三生有幸 be the most supreme a stroke... |
| 三番两次 over and over |
| 三番五次 time and again |
| 三百六十行 all trades and professions |
| 三皇五帝 Three Emperors and Five Sove... |
| 三盈三虚 thrice filled up and thrice ... |
| 三相 three-phase |
| 三相交流电 three-phase alternating curr... |
| 三相变压器 three-phase transformer |
| 三相电动机 threephase motor |
| 三相自耦变压器 3-phase autotransformer |