keep on one's toes
быть бдительным, внимательным
Пример использования идиомы keep on one's toes:
Mark tried to keep on his toes during a grammar test.
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Другие идиомы:
- keep at (something)
- keep one's head
- keep (someone) on tenterhooks
- keep one's chin up
- keep down (something)
- keep track of (someone or something)
- keep tabs on (someone or something)
- keep up with the Joneses
- keep a stiff upper lip
- keep one's eye on the ball
- keep on (doing something)
- keep the wolf from the door
- keep harping on (something)
- put one's toe in the water
- keep one's nose to the grindstone