moment of truth
关键时刻；真相大白
口语·描述关键时刻
英文释义
the time when a person or thing is put to the test or faces a crucial decision or challenge
例句
The moment of truth came when the judge announced the winner.
典故来源
源自斗牛文化，指斗牛士与公牛决斗的致命一刻，后引申为面临关键考验或真相大白的时刻。