keep a straight face
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It is difficult to keep a straight face when you see something funny.
Другие идиомы:
- keep (someone) up
- throw (something) back in (someone's) face
- keep a secret
- keep (something) under wraps
- fly into the face of danger
- say (something) right to (someone's) face
- keep up appearances
- fall flat on one's face
- keep (someone) in line
- keep an eye out for (someone or something)
- keep one's nose out of (something)
- keep (someone) on
- face value
- keep house
- keep books