lay aside 儲蓄

learn a lesson 遭到教訓

leave it at that 暫時停止爭論

leave it to me 交給我辦吧

leave me alone 不要打擾我

leave much to be desired 大有改進必要

leave out 忽視；遺漏

leave sth up to sb 讓某人決定某事

leave the lights on 不息燈

let bygones be bygones 過去的事就讓它過去吧

let down 使失望；放低；失信；出賣

let go of me 放開我

Let me put it this way. 讓我這么講吧。

let nature take its course 順其自然

let off 下車；開槍；釋放

let the cat out of the bag 泄漏秘密

Let's be on our way. 大家走吧。

Let's change the subject. 不要再說這個了。

Let's take a break. 大家休息一下吧！

Life is short， don't drag your feet. 生活短暫，得盡歡時就盡歡。

life of the party 聚會的核心人物

like a cat on hot bricks^{1 熱鍋上的螞蟻}

Like a letter from home. 好極了，象接到家書一樣。

like a turtle on its back 對事情束手無策

like a veteran 象個老手

like ducks to water 如魚得水