put on a brave face
装作勇敢；摆出坚定的面孔
口语·描述强装镇定
英文释义
to act courageous or confident in the face of adversity or fear
例句
Even though she was nervous, she put on a brave face during the interview.
典故来源
源自戏剧表演，演员戴上勇敢面具，后指掩饰内心恐惧。