back to front

Từ điển Oxford Advanced Learner 8th

ˌback to ˈfront idiom
(BrE) (NAmE back·wards)if you put on a piece of clothing back to front, you make a mistake and put the back where the front should be
• I think you've got that sweater on back to front.
compare ↑inside out ↑inside _n.
Main entry: ↑back_idiom