knock (A2)
verb
Pronunciation: /nɒk/
Definition
To strike something, especially a door, with a hard blow.
Examples
She heard a loud knock on the door.
He knocked on the table to get everyone's attention.
How to Use knock
- knock on (prepositional phrase)
- To strike a surface, typically a door, to attract attention. — "Please knock on the door before entering."
- knock down (phrasal verb)
- To cause something to fall over; to demolish. — "The strong wind knocked down the tree."
- knock out (phrasal verb)
- To render unconscious; to defeat decisively. — "The boxer knocked his opponent out in the first round."
- knock off (phrasal verb)
- To stop working; to steal. — "Let's knock off early today."
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