匿影藏形 [－－－－]

Jyutping nik1 jing2 cong4 jing4
Pinyin nì yǐng cáng xíng

Definitions (CC-CEDICT)
  1. to hide from public view
  2. to conceal one's identity
  3. to lay low
Definitions (Wiktionary)
  1. phrase, idiomatic
    to hide from public notice; to conceal one's identity; to lie low
    (syn.) 藏形匿影