to prevent
to stop
to preclude
to inhibit
to bar
¿Quién lo puede impedir?
Who can prevent it?
Debía impedir la guerra.
He had to prevent the war.
molestar, estorbar, dificultar, perturbar {ww.} to bother
to disturb
to trouble
to baffle
to hamper
to inconvenience
to irritate
to hassle
to encumber
to annoy
to hinder
No molestar.
Do not disturb.
Intento no molestar a nadie.
I try not to bother anyone.