keep on one's toes
быть бдительным, внимательным
Mark tried to keep on his toes during a grammar test.
Другие идиомы:
- go toe-to-toe with (someone)
- keep house
- keep (someone or something) in mind
- keep (someone) from (doing something)
- on tiptoe
- keep one's nose out of (something)
- make one's toes curl
- keep (someone) up
- keep in touch (with someone)
- keep one's head
- keep one's head above water
- keep (someone) on tenterhooks
- keep one's distance from (someone or something)
- keep one's feet on the ground
- keep a straight face