put on a brave face
US /pʊt ɑn ə breɪv feɪs/
UK /pʊt ɑn ə breɪv feɪs/

1.
装出勇敢的样子, 强颜欢笑
to pretend to be brave and not worried, sad, etc.
:
•
Despite the bad news, she managed to put on a brave face for her children.
尽管有坏消息,她还是设法在孩子们面前装出勇敢的样子。
•
He was clearly upset, but he tried to put on a brave face during the meeting.
他显然很沮丧,但在会议期间他试图装出勇敢的样子。