keep on one's toes
/ˌkip ɑn wʌnz ˈtoʊz/
To stay alert and ready for anything unexpected.
“The surprise quizzes in chemistry really keep us on our toes.”Add to my deck
/ˌkip ɑn wʌnz ˈtoʊz/
To stay alert and ready for anything unexpected.
“The surprise quizzes in chemistry really keep us on our toes.”Add to my deck