keep on one's toes
быть бдительным, внимательным
Mark tried to keep on his toes during a grammar test.
Другие идиомы:
- keep one's head
- keep up with the news
- keep one's wits about one
- keep an ear out for (something)
- keep (someone) on
- keep abreast (of something)
- keep one's nose clean
- keep one's finger's crossed
- keep (someone) posted
- keep on (doing something)
- keep a close watch over (someone or something)
- keep track of (something)
- keep one's hand in (something)
- keep tabs on (someone or something)
- keep (someone) up