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 late hours
- keep an open mind about (something)
- face value (of something)
- face up to (something)
- keep an eye out for (someone or something)
- say (something) right to (someone's) face
- face down (someone)
- hide one's face in shame
- keep quiet
- keep harping on (something)
- blow up in (someone's) face
- keep one's eyes peeled for (someone or something)
- keep time
- keep company (with someone)
- keep (someone or something) in check