keep under cover

keep under cover

1. Literally, to stay beneath a shelter of some kind, typically to avoid inclement weather. A: "How did you stay so dry in this downpour?" B: "I've been keeping under cover here, like we were supposed to!"
2. To hide something (often one's true identity or motives) from others. I need to keep under cover on this assignment so no one learns that I'm a spy.
See also: cover, keep
Farlex Dictionary of Idioms.
See also:
  • stay out of the/(one's) way
  • stay at
  • stay at (something or some place)
  • stay at some place
  • stay
  • on task
  • stay clear of
  • stay clear of (someone or something)
  • above the fray
  • fray
References in periodicals archive
So be vigilant, protect tender plants and keep under cover those newly-sown seed trays.
"I would imagine it would be ideal for someone in the immediate locale who maybe has an old car or a motorbike they would like to keep under cover."