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Knock at Meaning in English

expression

ˈnɑk/ /ˈæt
NAHK-at
nˈɒk/ /ˈæt
NOK-at

Definition

To hit a door or surface with your hand or an object, usually to get attention or ask for permission to enter.

Usage & Nuances

Commonly used for doors: 'knock at the door'. Can also be used with other surfaces. More formal than 'bang on'. Preposition 'at' is standard: 'knock at' is more British, 'knock on' is more common in American English; both are understood.

Example Sentences

Please knock at the door before entering.

basic

Someone is knocking at the window.

basic

I always knock at my friend's house before going in.

basic

If you knock at the office after hours, no one will answer.

natural

She knocked at my door late last night.

natural

You have to knock at opportunity when it comes your way.

natural