leave的用法和固定结构：leave可作名词和动词两种词性，含义为“离开”、“丢弃”、“让…处于”、“忘了带”、“遗留”、“把…留交”、“休假”、“准许”，固定结构为leave sb for sb或者leave sth/sb behind。

1、当leave作为动词时，译为离开(某人或某处);遗弃;丢弃;不立刻做;使保留，让…处于;使发生;留下备用（或销售等）;忘了带;剩余;遗下（家人）;（去世时）遗赠，遗留;把…留交;递送。

例句：The plane leaves for Dallas at 12.35.

飞机于12:35起飞前往达拉斯。

My secretary has threatened to leave.

我的秘书以辞职相要挟。

She's leaving him for another man.

她要抛弃他去跟另一个男人。

Leave the dishes─I'll do them later.

盘子先搁着吧，我等会儿再洗。

The bomb blast left 25 people dead.

那颗炸弹炸死了25个人。

I'm afraid you leave me no choice.

恐怕你没给我留下选择的余地。

How many tickets do you have left?

剩下的票你还有多少张？

Don't leave any of your belongings behind.

别忘了带上自己的随身物品。

Leave it with me ─I'm sure I can sort it out.

把这事留给我吧——我一定会解决的。

Someone left this note for you.

有人给你送来了这张便条。

2、当leave作为名词时，译为休假;假期;准许。

例句：How much annual leave do you get?

你们的年假有多长？

The court granted him leave to appeal against the sentence.

法庭准许他对判决提出上诉。

Why don't you take a few days' leave?

你为什么不休几天假？

What would you like it to be? They extended your leave?

你想要什么奖励他们延长了你的假期？

You need your boss'permission before you leave work early.

你需要上司的准许才能提早下班。

You've been granted leave to appeal against the decision.

你被准许对此判决提出上诉。