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 body and soul together
- keep one's head above water
- keep one's nose to the grindstone
- keep one's nose clean
- keep cool
- keep an ear out for (something)
- keep one's eye on the ball
- keep (someone or something) in check
- keep one's hand in (something)
- keep a civil tongue
- keep track of (someone or something)
- on tiptoe
- keep an eye out for (someone or something)
- keep one's wits about one
- keep (someone) posted