| 机会 | ji1 hui4 | chance |
| 即 | ji2 | namely |
| 际 | ji4 | time |
| 首 | shou3 | head |
| 时机 | shi2 ji1 | occasion |
| 偶然 | ou3 ran2 | randomly |
| 好事 | hao3 shi4 hao4 shi4 | charity |
| 场合 | chang3 he2 | occasion |
| 专 | zhuan1 | expert |
| 场面 | chang3 mian4 | scene |
| 时而 | shi2 er2 | from time to time |
| 偶尔 | ou3 er3 | sometimes |
| 适时 | shi4 shi2 | timely |