keep on one's toes
быть бдительным, внимательным
Mark tried to keep on his toes during a grammar test.
Другие идиомы:
- keep (someone) company
- keep one's eye on the ball
- keep (someone) out of one's hair
- keep (something) down
- keep up with the times
- keep up an act
- make one's toes curl
- dip one's toe in the water
- keep books
- keep off (something)
- keep up with (someone or something)
- keep on (doing something)
- keep up with the Joneses
- keep the lid on (something)
- keep late hours