straight-faced

英 [ˌstreɪt ˈfeɪst]

美 [ˌstreɪt ˈfeɪst]

adj.  绷着脸的; 忍住不笑的

牛津词典

adj.

• 绷着脸的；忍住不笑的
  without laughing or smiling, even though you may be amused

柯林斯词典

• ADJ-GRADED 一本正经的;绷着脸的
  Astraight-facedperson appears not to be amused in a funny situation.
  1. ...a straight-faced, humourless character...
     不苟言笑、毫无幽默感的人
  2. 'Whatever gives you that idea?' she replied straight-faced.
     “你怎么会有那种想法呢?”她绷着脸反问道。

双语例句