have it in you (to do something)成語所屬單字havehave it in you (to do something)have it in you (to do something) — 慣用語慣用語1. To be capable of doing something.1.慣用語釋義有能力做某事To be capable of doing something.例句I didn't know you had it in you to run a marathon.Does Aiden have it in him to win the competition?