crucible, forge, testing ground
hearth (of a furnace), forge, firebox
font, baptismal font
cupel, crucible
В горни́ле испыта́ний куётся хара́ктер.
Character is forged in the crucible of adversity.
Испытания стали настоящим горнилом для молодых бойцов.
The trials became a true crucible for the young fighters.
