fall down

US /fɔːl daʊn/
UK /fɔːl daʊn/
"fall down" picture
1.

vallen, instorten

to drop to the ground, typically accidentally

:
Be careful not to fall down the stairs.
Pas op dat je niet van de trap valt.
The old building started to fall down after the earthquake.
Het oude gebouw begon in te storten na de aardbeving.