Keep/hold somebody/something in check - Idioms by The Free Dictionary
keep/hold somebody/something in check
keep someone or something in check and hold someone or something in check
to keep someone or something under control; to restrain someone or something. Hang on to this rope to keep the dog in check. I was so angry I could hardly hold myself in check.
keep/hold somebody/something in ˈcheck control somebody/something: The disease is kept in check with drugs. ♢ It was difficult to hold their enthusiasm in check.