knock at

you're supposed to knock at the door and wait before entering the office.

进办公室之前你应该敲门。

中考真题- 2018 吉林 完形填空

Knock at my window at eight o'clock and I'll be ready

8点钟敲我的窗，我会准备好的。

柯林斯高阶英汉双解学习词典

Just when she was going to bed, there was a knock at the door.

就在她准备睡觉的时候，传来了敲门声。

中考真题- 2019 重庆 阅读A

He was scarcely awake when he heard the knock at the door.

他刚醒来就听见有人敲门.

《现代汉英综合大词典》

I was wakened by a knock at the door.

敲门声把我吵醒了。

《牛津高阶英汉双解词典》

Just then (= at that moment) there was a knock at the door.

就在那时有人敲门了。

《牛津高阶英汉双解词典》

If opportunity does not knock at the door, build one.

如果机会不来敲门，就创造一个机会。

互联网摘选

I should knock at the door gently.

我应该轻轻地敲门。

互联网摘选

There was a very quiet knock at the door.

有人轻声叩门.

词典精选例句

Knock at my window at eight o'clock and I'll be ready.

8点钟敲我的窗，我会准备好的。

《柯林斯高阶英汉双解学习词典》

Late that evening, there was a knock at the door.

那天深夜，有人敲过门。

《牛津高阶英汉双解词典》

There was a treble knock at the door.

门上响起了三声敲门声.

《简明英汉词典》

He was wakened by a knock at the door.

他被敲门声吵醒了。

外研社英语同义词辨析词典

I was preparing for bed when I heard a knock at the door.

我正准备睡觉时听到有人敲门.

词典精选例句

They were interrupted by a knock at the door.

他们被敲门声打断了。

《牛津高阶英汉双解词典》

There had been a knock at the door and when she opened it she locked herself out.

外面有敲门声，她去开门，结果把自己反锁在了外面。

《柯林斯高阶英汉双解学习词典》

He wondered whether it would be proper to knock at her door.

他不知道敲她的门是否恰当。

外研社英语同义词辨析词典

Did I hear a knock at the door?

是有人敲门 吗 ?

词典精选例句

Just at that moment there was a knock at the door.

就在那时，有人敲门。

provided by jukuu

She hid the gift immediately she heard the knock at the door.

一听见敲门声她就把礼物藏了起来.

互联网摘选

There was a light knock at the door.

有人在轻轻地敲门。

《柯林斯高阶英汉双解学习词典》

The global economy has taken a serious knock, at huge human cost.

全球经济遭受了严重的打击, 人们为此付出了巨大代价.

互联网摘选

They both heard a knock at the side-door.

他们俩都听见有人敲侧门.

词典精选例句

Just as breakfast was completed there was a knock at the door.

早饭刚吃完,就有人来敲门.

英汉文学 - 汤姆历险

There was a knock at the door. Someone had come looking for me.

门外又敲门了, 找我的.

汉英文学 - 中国现代小说

They heard a knock at the front door.

他们听到前门有人敲门。

《柯林斯高阶英汉双解学习词典》

Who would knock at his own door if he was staying alone?

如果他一个人住，谁会敲门呢?

中考真题- 2019 重庆 阅读A

There had been a knock at the door and when she opened it she locked herself out

外面有敲门声，她去开门，结果把自己反锁在了外面。

柯林斯高阶英汉双解学习词典

It'sounds as though there is a knock at the door.

听起来好像有人在敲门.

《简明英汉词典》

I wish you wouldn't knock at the table again.

我希望你不要再敲桌子了。

外研社英语同义词辨析词典