keep an ear out (for someone or something)

keep an ear out (for someone or something)

To be particularly attentive or prepared to hear something. (Usually used as an imperative.) Would you please keep an ear out for the kids? They should be coming back any minute. Our newest single is being played on the radio, so be sure to keep an ear out.
See also: ear, keep, out, someone
Farlex Dictionary of Idioms.
See also:
  • keep an eye open
  • listen for
  • listen for (someone or something)
  • have (one's)/a beady eye on (someone or something)
  • keep (one's)/a beady eye on (someone or something)
  • keep a beady eye on somebody/something
  • keep an eye on
  • keep (one's)/an eye on (someone or something)
  • keep an/your eye on somebody/something
  • keep eye on