leave的用法和固定結構如下：
1、當leave作為動詞時，譯為離開(某人或某處)；遺棄；丟棄；不立刻做；使保留，讓…處於;使發生；留下備用（或銷售 等）；忘了帶；剩余;遺下（家人）;（去世時）遺贈，遺留;把…留交；遞送。?
例句：The plane leaves for Dallas at 12.35.?
飛機於12:35起飛前往達拉斯。
My secretary has threatened to leave.?
我的秘書以辭職相要挾。?
She's leaving him for another man.?
她要拋棄他去跟另壹個男人。?
Leave the dishes─I'll do them later.?
盤子先擱著吧，我等會兒再洗。?
The bomb blast left 25 people dead.?
那顆炸彈炸死了25個人。?
I'm afraid you leave me no choice.?
恐怕妳沒給我留下選擇的余地。
2、當leave作為名詞時，譯為休假;假期;準許。
The court granted him leave to appeal against the sentence.?
法庭準許他對判決提出上訴。?
Why don't you take a few days' leave?
妳為什麽不休幾天假？?
What would you like it to be? They extended your leave?
妳想要什麽獎勵他們延長了妳的假期？?
You need your boss'permission before you leave work early.?
妳需要上司的準許才能提早下班。?
You've been granted leave to appeal against the decision.?
妳被準許對此判決提出上訴。