watch like a hawk

watch (someone or something) like a hawk

To watch someone or something very closely. Hawks, like all birds of prey, are known for having extremely acute vision. Ms. Finnegan was watching me like a hawk during that entire test. Did she think I was going to cheat? I've been watching the site like a hawk to see if the price goes down, but so far it's only decreased by a few dollars.
See also: hawk, like, watch
Farlex Dictionary of Idioms.

watch someone or something like a hawk

Fig. to watch someone or something very carefully. The teacher watched the pupils like a hawk to make sure they did not cheat on the exam. We had to watch our dog like a hawk in case he ran away.
See also: hawk, like, watch
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

watch like a hawk

Observe very closely, as in I was watching him like a hawk, but I never did see him take your wallet. This simile alludes to the hawk's exceptionally keen sight.
See also: hawk, like, watch
The American Heritage® Dictionary of Idioms by Christine Ammer.

watch somebody/something like a ˈhawk

watch somebody/something very carefully: Unless you watch him like a hawk, he’ll go off without finishing the work. OPPOSITE: turn a blind eye (to something)
A hawk is a bird that kills other creatures for food, and can see small things from very far away.
See also: hawk, like, somebody, something, watch
Farlex Partner Idioms Dictionary
See also:
  • watch (someone or something) like a hawk
  • watch somebody/something like a hawk
  • watch someone like a hawk
  • watch (someone or something) with an eagle eye
  • on the scent
  • on the scent (of something)
  • easy prey
  • feathered friends
  • our feathered friends
  • flush the birds out of the bushes