From Longman Dictionary of Contemporary Englishwatch itwatch itspoken used to warn someone to be careful Watch it, there’s a car. → watch
Examples from the Corpus
watch it• I felt a bit strange watching it.• Me, I weighed up my chances and decided to watch it.• I watched it and thought that this was what hell wasa fire that could not be stopped.• I stood by the unwinder and watched it as Tam towed yet another wire up the hill.• A pity so many kamikaze spectators chose to stand in the four foot to watch it go by.• Just catch some unsuspecting psychopathic bee, strap it on and watch it go.• He took it out to hold and to watch it munch clover.• She watched it with pity and horror in her heart as it drifted slowly toward her. 