1. Home
2. Idioms
3. do homework

do homework

---

---

do your homework

to learn everything you need to know before doing something If you had done your homework, you would have known it was a silly question to ask.

See also: homework

do your homework

to make careful preparations so that you know all you need to know about something and are able to deal with it successfully They hadn't done their homework, or they'd have known it was a waste of time asking her that question.

See also: homework