keep watch on
keep (a) close watch on (someone or something)
To monitor someone or something closely. Keep a close watch on this pot so that the soup doesn't boil over. I've asked the manager to keep close watch on Tom. I'm pretty sure he's been stealing from the register.
See also: close, keep, on, watch
Farlex Dictionary of Idioms.
keep watch on someone or something
to monitor someone or something. Keep watch on the lady in the big coat. She may be a shoplifter. Try to keep watch on the committee's work.
See also: keep, on, watch
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
- keep a close eye/watch on somebody/something
- keep a close watch on
- keep (a) close watch on (someone or something)
- keep a close eye on (someone or something)
- close at hand
- come close
- play one's cards close to one's chest, to
- close out
- close by
- sail close to (near) the wind, to