Definition
To show no visible emotional reaction or distress when confronted with something unpleasant or disturbing.
面不改色
She didn't turn a hair when she found out she had been fired, it was unbelievable.
当她发现自己被解雇时，她面不改色，这简直令人难以置信。
Even after sustaining a serious injury during the game, he didn't turn a hair and continued playing.
即使在比赛中受了重伤，他仍然面不改色地继续比赛。
It was very odd how he didn't turn a hair when he heard he was being accused of a serious crime.
当他听到自己被指控犯下重罪时，他面不改色，这非常奇怪。