bite the bullet
勇敢面对困难、压力或痛苦的现实，毫不犹豫地去做某件不情愿的事情
口语·表示勇敢面对困难
英文释义
to face a difficult or unpleasant situation with courage and determination
例句
I hate going to the dentist, but I'll have to bite the bullet and make an appointment.
典故来源
源自战场急救，士兵在无麻醉时咬住子弹以忍受疼痛，比喻勇敢面对困难。