| 地区 | di4 qu1 | local |
| 必须 | bi4 xu1 | must |
| 一定 | yi1 ding4 | must |
| 不必 | bu4 bi4 | need not |
| 未必 | wei4 bi4 | maybe not |
| 无须 | wu2 xu1 | need not |
| 未尝 | wei4 chang2 | not ever |
| 不见得 | bu4 jian4 de5 | not necessarily |
| 不一定 | bu4 yi1 ding4 | maybe |
| 嚼舌 | jiao2 she2 | to gossip |
| 无谓 | wu2 wei4 | pointless |
| 未始 | wei4 shi3 | maybe not |
| 故弄玄虚 | gu4 nong4 xuan2 xu1 | deliberately mystifying |