1. 音标

knock at的音标是：[nɒk æt]

2. 意思

“knock at”表示“敲（门、窗等）”，指用手轻轻地敲击某个表面，通常是为了引起注意。

3. 翻译

敲打

敲门

4. 用法

“knock at”通常用于指向特定的地方敲打，特别是指敲门、窗或某个物体。

5. 例句

She knocked at the door and waited for a response.
（她敲了敲门，等待回应。）

I heard someone knock at the window.
（我听见有人敲窗户。）

He knocked at the door several times but no one answered.
（他敲了好几次门，但没有人回应。）

Can you knock at the door before entering the room?
（你能在进屋前敲一下门吗？）

They knocked at the gates of the castle but were not allowed inside.
（他们敲了敲城堡的大门，但没被允许进入。）

She was nervous as she knocked at her teacher's door.
（她很紧张，当她敲老师的门时。）

I knocked at the door and asked if anyone was home.
（我敲了敲门，问有没有人在家。）

The police officer knocked at the suspect's door for questioning.
（警察敲了嫌疑人的门以进行询问。）

Knock at the door before you come in, please.
（请在进来之前敲一下门。）

After a long wait, they finally knocked at the door of the restaurant.
（经过长时间的等待，他们终于敲了餐厅的门。）

6. 短语搭配

knock at the door（敲门）

knock at the window（敲窗）

knock at someone's house（敲某人家的门）