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
Loviatar	-	Finnish Mythology
Soso	-	Georgian
Blandine	-	French
Wido	-	Ancient Germanic
Kristofor	-	Croatian (Rare)
Luitger	-	German (Archaic)