keep on one's toes
быть бдительным, внимательным
Mark tried to keep on his toes during a grammar test.
Другие идиомы:
- keep good time
- get a toehold (somewhere)
- keep (someone) in stitches
- keep an eye out for (someone or something)
- keep up with the Joneses
- keep up an act
- keep (someone or something) in mind
- keep one's head
- keep track of (something)
- keep one's eyes open
- keep one's head above water
- keep (something) under one's hat
- keep (someone) up
- go toe-to-toe with (someone)
- keep one's opinions to oneself