trial by fire (English, noun)
expansion: trial by fire (plural trials by fire)
Senses:
glosses: A test in which a person is exposed to flames in order to assess their truthfulness, commitment, courage etc.
glosses: A situation in which a soldier or other combatant faces the discharge of opposing weapons, as a test of their fortitude.
glosses: Any ordeal which tests one's strength, endurance or resolve.
tags: broadly
idiomatic
Forms:
form: trials by fire
tags: plural