keep in trim

keep in trim

To maintain good health and physical shape. Primarily heard in UK. I've been going to the gym to keep in trim for my island vacation.
See also: keep, trim
Farlex Dictionary of Idioms.

be, keep, etc. in ˈtrim

(British English, informal) be, remain, etc. fit and healthy: For a man of his age he keeps in good trim. OPPOSITE: be out of shape (2)
See also: trim
Farlex Partner Idioms Dictionary
See also:
  • keep away
  • keep away (from someone or something)
  • keep by
  • keep (something) by
  • keep faith with
  • keep faith with (someone or something)
  • keep (going) on at (one)
  • earn its keep
  • keep on at
  • keep (one's) distance from (someone or something)