| 中文 | 英文 |
| 不对 | incorrect |
| 不错 | not bad;pretty good |
| 不安 | unpeaceful;unstable;restless |
| 不过 | but;however |
| 不敢 | dare not |
| 不久 | before long;soon;shortly;not long after |
| 不难 | easy;not difficult |
| 不朽 | immortal |
| 不幸 | unfortunate;adversity;disaster unlucky;unfortunate |
| 不行 | no go;no way;not allowed |
| 何不 | why not |
| 不治 | incurable |
| 不只 | not only;not merely |
| 不再 | no more;no longer |
| 不少 | not a few;considerable |
| 看不惯 | to detest |
| 禁不住 | unable to bear;can not help |
| 合不来 | cannot get along with |
| 不人道 | inhuman |
| 不平常 | extraordinary;unusual |
| 不要脸 | shameless;brazen |
| 不要紧 | unimportant;not serious |
| 好不好 | won't you;okay;is it all right |
| 过不去 | unable to get through |
| 跟不上 | to fall behind |
| 赶不上 | unable to catch up with;to fall behind |
| 犯不著 | not worthwhile |
| 对不起 | excuse me;to be sorry |
| 吃不消 | to be unable to stand or endure |
| 不重要 | of no importance;unimportant;of no consequence |
| 不中用 | useless;to be of no use |
| 不像话 | absurd;unreasonable |
| 不妥协 | uncompromising |
| 不团结 | disunity;disunion |
| 不透水 | watertight;waterproof |
| 不透明 | opaque |
| 不停地 | without intermission |
| 不耐烦 | impatient |
| 不理解 | not to understand |
| 不老实 | dishonest |
| 不客气 | impolite;blunt;rude;you're welcome;not at all |
| 不经意 | pay no attention |
| 不讲理 | unreasonable |
| 不见得 | not likely;not necessarily |
| 不及格 | below standard;to fail to pass a course;not qualif |
| 不合理 | unreasonable;illogicality |
| 不放心 | to feel uneasy |
| 不懂事 | immature |
| 不得已 | to have to |
| 不得了 | disastrous;impending |
