keep up an act
устраивать спектакль, претворяться
"Don't try to keep up an act; I know what you are capable of."
Другие идиомы:
- keep the wolf from the door
- keep (someone) on tenterhooks
- keep one's mouth shut
- keep one's place
- keep one's nose clean
- keep time
- keep quiet
- keep (someone) from (doing something)
- keep off (something)
- keep a civil tongue
- keep a secret
- keep good time
- keep an open mind about (something)
- keep house
- keep one's distance from (someone or something)