back to back
成語所屬單字back
back to back — 慣用語
1. With backs facing or touching each other; also means happening one after another
1.慣用語
釋義
背對背；連續地
With backs facing or touching each other; also means happening one after another.
例句
The two friends sat back to back on the floor, drawing pictures.
The team played three games back to back over the weekend.