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 an eye out for (someone or something)
- keep one's finger's crossed
- keep at (something)
- keep a close watch on (someone or something)
- keep quiet
- keep one's hands off (someone or something)
- keep an open mind about (something)
- keep one's wits about one
- keep up appearances
- keep up with the times
- keep from (doing something)
- keep one's nose to the grindstone
- keep up with the news
- keep one's opinions to oneself
- keep one's place