on a trial

on a trial

Undergoing a probationary period of employment while one's suitability or worthiness is evaluated. I put a new girl on a trial. Hopefully she ends up being reliable.
See also: on, trial
Farlex Dictionary of Idioms.
See also:
  • summer and winter
  • on probation
  • at (one's) doorstep
  • at doorstep
  • at expense
  • at somebody's expense
  • at someone's expense
  • at (one's) expense
  • be written all over somebody's face
  • be written all over your face