keep on one's toes
быть бдительным, внимательным
Mark tried to keep on his toes during a grammar test.
Другие идиомы:
- keep one's wits about one
- get a toehold (somewhere)
- keep (someone) on
- keep a straight face
- keep one's opinions to oneself
- keep one's mouth shut
- keep a civil tongue
- keep one's eyes peeled for (someone or something)
- keep a close watch on (someone or something)
- keep (someone) out of one's hair
- keep up
- keep one's ear to the ground
- put one's toe in the water
- keep one's eye on the ball
- keep (someone or something) in mind