put to the test

English[edit]

put to the test (third-person singular simple present puts to the test, present participle putting to the test, simple past and past participle put to the test)

(idiomatic) To test something or someone; to evaluate, scrutinize or explore by testing or experimentation.
He got a new bicycle yesterday, so I expect that today he will want to take it out riding and put it to the test.
- 2021 November 24, Phil McNulty, “Manchester City 2 - 1 Paris Saint Germain”, in BBC Sport‎^[1]:
  They were put to the test when Mbappe put PSG ahead against the run of play but City then struck the perfect balance between chasing the game and keeping the door locked at the back.

test or evaluate