tò-thè-kiâⁿ倒退行

to move backwards while facing forward

to move backwards while facing forward (of people, cars, etc.)

English Wiktionary, “倒退行” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%80%92%E9%80%80%E8%A1%8C · confidence: Medium (Wiktionary)