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 up appearances
- keep cool
- keep (someone or something) in mind
- keep a secret
- keep one's own counsel
- keep one's distance from (someone or something)
- keep (something) under one's hat
- on one's toes
- keep the ball rolling
- keep (someone) posted
- keep one's hand in (something)
- keep up with (someone or something)
- keep track of (something)
- keep (something) under wraps
- keep at (something)