蹑 ㄋㄧㄝ ˋ niè 手 ㄕㄡ ˇ shǒu 蹑 ㄋㄧㄝ ˋ niè 脚 ㄐㄧㄠ ˇ jiǎo 躡 ㄋㄧㄝ ˋ niè 手 ㄕㄡ ˇ shǒu 躡 ㄋㄧㄝ ˋ niè 腳 ㄐㄧㄠ ˇ jiǎo to walk quietly on tiptoe (idiom)