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 one's eye on the ball
- keep one's finger's crossed
- keep abreast (of something)
- keep (someone) company
- keep one's head
- keep one's shirt on
- keep one's nose out of (something)
- keep one's place
- keep up appearances
- keep off (something)
- keep pace (with someone or something)
- keep one's own counsel
- keep (something) under wraps
- keep one's mouth shut
- on tiptoe