keep on toes

keep somebody on their toes

to force someone to continue giving all their attention and energy to what they are doing He gave me a couple of extra things to do just to keep me on my toes.

Common Names:

Name	Pronounced	Usage
Grigore	-	Romanian
Lucius	LOO:-ki-uws (Ancient Roman), LOO-shəs (English), LOO-see-əs (English)	Ancient Roman, Biblical, English
Alty	['ɔ:lti]
Aneurin	-	Welsh
Psyche	SIE-kee (English)	Greek Mythology
Pearce	[piəs]