keep a straight face
сохранять невозмутимое выражение лица; стараться не засмеяться
It is difficult to keep a straight face when you see something funny.
Другие идиомы:
- keep harping on (something)
- keep track of (something)
- keep the home fires burning
- long face
- keep at (something)
- keep a close watch on (someone or something)
- keep (someone or something) in mind
- keep up with the Joneses
- keep pace (with someone or something)
- keep (someone) on tenterhooks
- keep an eye on (someone or something)
- show one's face
- keep up
- keep one's head
- keep up appearances