这么晚了，是谁来敲门？
He knocks out five books a year.
他一年轻松写出五本书。
He knocks off three novels a year.
他一年赶出三部小说。
良机难再。
She knocks the dust out of her coat.
她打掉外套上的尘土。
Did you hear the knocks at the door?
你听到敲门声了吗？
Opportunity never knocks twice.
机会不会敲你第二次门。
机会只有一次。
What knocks me most is his ignorance.
最让我吃惊的是他的无知。
大灰狼敲了敲门。
Opportunity knocks at every door.
良机会敲每个人的门。
我知道它把你吓得出冷汗。
Your beauty really knocks me out.
你的美丽真使我倾倒。
他敲响一扇门。
If opportunity knocks, I will take it.
如果机会来临，我会抓住。
When opportunity knocks, open the door!
当机会来敲门时，要把门打开。
Opportunity rarely knocks on your door.
机会很少主动找上门来。
Wow! This scenery really knocks me out.
这儿的景色简直把我迷住了。
Tom always knocks before entering a room.
汤姆在走进一个房间前总要敲门。
The unexpected news fairly knocks me back !
这意想不到的消息真叫我大吃一惊！
The frog knocks on the door again and again.
青蛙一次又一次地敲着门。
Luck is when opportunity knocks and you answer.
运气就是你对降临的良机的回应。
President: Who knocks at the door of learning?
校长：谁在敲求知的大门？
A sergeant soon knocks new recruits into shape .
中士很快就把新兵训练得规规矩矩。
Maria: (knocks on the room door) May I come in, madam?
玛利亚：(敲房间门)女士，我可以进来吗？
He knocks at the door as if he were master here already!
他敲门敲得好像他已经是这儿的主人了！
With Victor's guard down, Jack knocks him to the floor.
由于维克多的戒心松懈，杰克将他击倒在地。
With Victor's guard down, Jack knocks him to the floor.
由于维克多的戒心松懈，杰克将他击倒在地。
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