keep close tabs on (someone or something)

keep close tabs on (someone or something)

To routinely monitor or observe someone or something; to keep track of someone or something. It was revealed that the FBI kept close tabs on him for years just because he once attended a meeting of a radical group. Keep close tabs on the amount of feedback we get so that we know how many people this issue affects.
See also: close, keep, on, tab
Farlex Dictionary of Idioms.
See also:
  • be/have done with somebody/something
  • be in line with (someone or something)
  • better of
  • (someone or something) promises well
  • begin with
  • begin with (someone or something)
  • bird has flown, the
  • beware of
  • beware of (someone or something)
  • be rough on (someone or something)