蹑脚跟 nièjiǎogēn to walk softly Origin Definitions Defs Strokes Stroke Words Sentences Sents 蹑 躡 niè adjective to walk quietly To walk on tiptoe or move with light footsteps so as not to be heard; to sneak.脚跟 腳跟 jiǎogēn noun heel the back part of the foot; heel