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 to oneself
- keep (someone) out of one's hair
- keep one's chin up
- keep the home fires burning
- keep an eye on (someone or something)
- keep a secret
- keep (someone or something) in check
- keep one's mouth shut
- keep one's opinions to oneself
- keep the lid on (something)
- keep late hours
- keep one's finger's crossed
- get a toehold (somewhere)
- keep one's head down
- keep one's feet on the ground