Question

INFORMAL: to become adamant about sth

Accepted Answer

Ann put her foot down about what kind of car she wanted. | She doesn't put her foot down very often, but when she does, she really means it.

Front	INFORMAL: to become adamant about sth
Back	Ann put her foot down about what kind of car she wanted. \| She doesn't put her foot down very often, but when she does, she really means it.

Put Foot Informal Adamant Sth Ann Kind Car