單字庫

knock

/ˈnɑk/KK

練發音
動詞
國中
難度 6 個義項
transitive
intransitive
also used as a noun
變化形
過去式

knocked

過去分詞

knocked

第三人稱單數

knocks

現在分詞

knocking

1.
敲;敲門
極常用

以手指、拳頭或物品反覆輕敲某個表面,尤其是為了讓裡面的人知道有人在外面。

用法:可單獨使用,也可接敲擊的表面。進門前先敲門是常見的禮貌說法。

knock on the door
knock at the door
knock on the window
knock before entering
hear someone knock

Please knock on the door before you enter the classroom.

進教室前請先敲門。

Someone knocked at the door while we were having dinner.

我們吃晚餐時,有人敲門。

2.
撞到;敲到;碰撞
常用

意外或用力碰到某人或某物,造成撞擊、聲響或可能的傷害。

用法:受詞通常是被撞到的人或物;也可用被動語態強調受害者。

knock your head against something
knock your elbow on something
knock into someone
knock against something
get knocked by a car

I knocked my head on a low table in the kitchen.

我在廚房撞到低桌子的頭。

Be careful not to knock into people when you get off the train.

下火車時,小心不要撞到別人。

3.
擊倒;撞倒;打落
常用

因撞擊而使人或物倒下、移位,或從原本的位置掉落。

用法:代名詞作受詞時,通常放在動詞與副詞之間。

knock someone down
knock something over
knock something off the table
knock a glass over
knock someone to the ground

A scooter knocked a man down on the street.

一台機車在街上把一名男子撞倒了。

The strong wind knocked over several signs outside the store.

強風吹倒了店外好幾個告示牌。

4.
批評;貶低;說……不好
常用
非正式

用不太肯定或帶有貶抑的方式批評某人、某事或某個想法。

用法:常用於「不要批評」的句型,也常接某人或某件事作受詞。

knock someone's idea
knock a product
knock someone's work
knock something before trying it
don't knock it

You should not knock this restaurant just because it looks small.

你不該只因為這間餐廳看起來很小,就批評它。

He always knocks other people's ideas but never gives a better one.

他總是批評別人的想法,卻從不提出更好的想法。

5.
敲擊聲;敲門聲
常用

敲擊表面所發出的短促聲響,或一次敲擊的動作。

用法:通常是可數名詞,前面常搭配表示一次聲響或動作的冠詞。

a loud knock
a knock at the door
a knock on the door
hear a knock
answer the knock

We heard a loud knock at the door during dinner.

吃晚餐時,我們聽到一陣很大的敲門聲。

After two knocks, the teacher opened the office door.

敲了兩下後,老師打開辦公室的門。

6.
撞擊;一擊;輕傷
常用

一次明顯的撞擊;也可指因碰撞造成但通常不算嚴重的輕微受傷。

用法:指受傷時常搭配表示身體部位的介系詞片語。

take a knock
get a knock to the knee
a hard knock
a knock on the head
recover from a knock

She got a knock to her knee during basketball practice.

她在籃球練習時膝蓋撞了一下。

The box keeps the computer safe from small knocks.

這個盒子可以讓電腦不被小碰撞弄壞。

常見錯誤

Please knock the door before entering.

Please knock on the door before entering.

The wind knocked over it.

The wind knocked it over.

I heard knocking at the door.

I heard a knock at the door.

Don't knock on my idea.

Don't knock my idea.

相關字詞
knock out 片語形式
knock off 片語形式
knock on wood 片語形式
tap 近義
bang 近義
hit 上位
knock down 片語形式
knock over 片語形式
學習提示

・本字最核心的畫面是「敲擊並發出短促聲響」;敲門、碰撞、擊倒與敲擊聲都由此延伸。

・「敲門」與「批評」的意思要靠後面的結構判斷:前者常有表示目標的介系詞,後者直接接受詞。

・表示撞倒或撞翻時,常需搭配副詞,且代名詞的位置特別容易出錯。

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