退格键 Traditional form: 退格鍵 Pinyin (reading): tuìgéjiàn Definitions: backspace (keyboard) Characters: 退 - to retreat, to step back, to withdraw 格 - form, pattern, standard 键 - lock, door bolt; key Traditional characters: 退 - to retreat, to step back, to withdraw 格 - form, pattern, standard 鍵 - lock, door bolt; key