躡手躡腳 [蹑－蹑脚]

Jyutping sip6 sau2 sip6 goek3
Pinyin niè shǒu niè jiǎo

Definitions (粵典–words.hk)
  1. 動詞
    放輕手​腳​行路​，​動作​小心​，​盡量​唔​發出​聲音​。
    to walk gingerly, without making any noise.

躡手躡腳 [蹑－蹑脚]

Jyutping nip6 sau2 nip6 goek3
Pinyin niè shǒu niè jiǎo

Definitions (CC-CEDICT)
  1. to walk quietly on tiptoe (idiom)
Definitions (粵典–words.hk)
  1. 動詞
    放輕手​腳​行路​，​動作​小心​，​盡量​唔​發出​聲音​。
    to walk gingerly, without making any noise.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to walk on tiptoe; to creep; to walk gingerly
  2. phrase, idiomatic
    to do things stealthily
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    汤姆悄悄地打开了门，蹑手蹑脚地走进了房间。
    湯姆悄悄地打開了門，躡手躡腳地走進了房間。
    tāng mǔ qiāo qiāo dì dǎ kāi le mén ， niè shǒu niè jiǎo dì zǒu jìn le fáng jiān 。
    • Tom quietly opened the door and tiptoed into the room.