if the cap fits (, wear it)wear it) if the cap fits ( British EnglishBrE, if the shoe fits (, wear it) American EnglishAmE spoken used to tell someone that you think a criticism of them is true 要是说得有理(就接受)〔用于告诉对方对其的批评是正确的〕 ‘So you think I’m a liar.’ ‘Well, if the cap fits ...’ “那么你认为我在撒谎喽。”“唔,要是这么说还算有理…”
→ if the cap fits (, wear it) at fit1(3)