keep a straight face
US /kiːp ə streɪt feɪs/
UK /kiːp ə streɪt feɪs/
成语
1.
保持严肃, 不笑
to succeed in not laughing or smiling
示例:
•
It was hard to keep a straight face when he told that ridiculous joke.
当他讲那个荒谬的笑话时，很难保持严肃。
•
She tried to keep a straight face, but a giggle escaped.
她努力保持严肃，但还是忍不住笑出声来。
在 Lingoland 学习这个单词