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6. know sb. by name 只知道某人的名字
know sb. by sight 和某人面熟 7. know sth. from sth. 能分辩… The little child doesn’t know a dog from cat
leave
一词多义:
1. 离开, 前往, 出发
2. = go without taking 遗留, 忘带
He left his bag on the train. He left it where he had found it. 3. 交给…, 留给…
She has left a number of books with me. ·我将把买票的事交给你.
I’ll leave buying the tickets to you.
I’ll leave you to buy the tickets. I’ll leave it to you to buy the tickets.
4. 剩下, 留下来(不用, 不吃, 不拿等) (多用过去分词) How much time is there left?
Three from seven leaves four. (7-3=4) If you take three from seven, four is left. 5. 听任其在某处, 使保持某一状态
leave + O + 分词
Did you leave the doors and windows firmly fastened?
He hurried to school, leaving the breakfast unfinished.
Don’t leave him waiting outside in the rain.
Leave + O + adj.
You’d better leave the door open. His illness has left him weak. (passive: The window was left open.) 其他情况:
The war left her an orphan.
She was left an orphan after the war.
Don’t touch my writing-table; leave it as it is. 短语: 1. leave alone
(1) 不管, 别惹, 别碰
Leave that box alone!
I should leave that question alone if I were you.
(2) 让…独自呆着
Go away and leave me alone!
2. leave for 动身到某处
leave…for… leave Shanghai for Beijing
3. leave a message
4. leave much to be desired 不够好 His behaviour left much to be desired. 5. leave out 遗漏, 漏掉
You have left out the most important word in this sentence.