| leave for | 动身去 |
| leave out | 遗漏，省去；不考虑；排除 |
| let alone | 更别提，更不用说 |
| let go | 放开；释放；发射 |
| let out | v. 放出；发出；泄露；出租 |
| lie in | 在于… |
| live and learn | 学无止境；活到老学到老 |
| live by | 以…为生 |
| live for | v. 盼望；为.....而生活 |
| live through | 度过；经受过 |
| live with | 忍受；寄宿在…家；与…同居 |
| long long ago | 很久之前 |
| look after | 照顾；关心；目送 |
| look ahead | 展望未来；规划未来 |
| look around | 游览；到处察看；到处寻找 |
| look at | v. 看；考虑；着眼于 |
| look back | 回顾；回头看 |
| look down on | 蔑视；轻视；小看 |
| look forward to | 期待；盼望；预期；预料 |
| look into | 考察；调查；研究 |