ENGLISH
REFERENCE

knock down

phr. v..
B1 Intermediate Oxford General-service

phr. v.. to hit something so hard that it falls; also to reduce the price of something suddenly.

phr. v.. to strike with force causing something to collapse; transitive phrasal verb with separable particles, though 'down' is typically retained with the object.


SIMPLE

The storm knocked down the fence.

CONTEXTUAL

The protesters knocked down the barricades to enter the building.

COMPLEX

The government knocked down the price of essential goods to ease inflationary pressures.

Particles
down
Separability
inseparable
Pattern
knock + down + object
Usage

can take a direct object (knock down the wall) or be used intransitively (the wall was knocked down).

Teaching tip

contrast with 'knock over' (to topple something) and 'knock out' (to defeat or render unconscious); all use 'knock' but with different particles and meanings.

Pitfall

knock the wall downknock down the wallthe particle 'down' is inseparable from the verb in this phrasal verb, though it may appear after the object in informal speech.

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