进来前先敲门。
You don't have to knock—just walk in.
不必敲门—进来就是了。
They heard a knock at the front door.
他们听到前门有一敲门声。
They were interrupted by a knock at the door.
他们被敲门声打断了。
Late that evening, there was a knock at the door.
那天深夜，有人敲过门。
He rushed into the room without troubling to knock.
他连门也懒得敲就闯进屋去。
I was so involved in my book I didn't hear you knock.
我全神贯注在看书，没听到你敲门。
No sooner had I sat down than there was a loud knock on the door.
我刚坐下就有人大声敲门。
You should knock before you enter.
你进来前应先敲门。
Nothing remained to do but to knock.
只需要敲门了。
我没有打任何人。
Please don't knock down all those cans.
请不要敲那些罐头。
Children knock buckets while riding bikes.
孩子们会在骑自行车时敲击木桶。
Suddenly there was another knock at the door.
突然，又有人敲门。
For long there was no answer, then again the knock.
很长时间没有回答，然后又是敲门声。
Deeply involved in his book, he didn't hear my knock.
他沉浸于书本，没有听到我的敲门声。
He got a nasty knock on the head.
他头部遭到重重一击。
咱们收工吃午饭吧。
There was a sharp knock on the door.
敲门声大作。
I managed to knock him down to $400.
我设法让他把价格降到了400元。
Do you want to knock off early today?
你今天想早点歇工吗？
Why doesn't he just knock the wall down?
他为什么不索性把墙拆掉？
They managed to knock a hole in the wall.
他们设法在墙上凿了个洞。
They had to knock the door down to get in.
他们不得不破门而入。
I got it all taken care of, knock on wood.
我把它各个方面都照顾到了，但愿好运仍在。
You look fabulous—you'll knock 'em dead tonight.
你看上去漂亮极了—今晚肯定把他们迷倒。
If I get this report finished I'll knock off early.
如果我完成这个报告就会早点儿下班。
Be careful you don't knock your head on this low beam.
小心，别把头撞在这矮梁上。
They knock around on weekends in grubby sweaters and trousers.
他们周末穿着邋遢的毛线衫和裤子到处闲逛。
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