wear the trousers idiom UK informal (US wear the pants)
(尤指女性)掌权当家,占主导地位
(especially of a woman) to be the person in a relationship who is in control and who makes decisions for both people
Blake may seem bossy, but it's Lisa that really wears the trousers in that relationship. 布赖恩可能看起来比较专横,但我告诉你,他们两个中真正说了算的是莉萨。