隐名埋姓
yǐn​míng​mái​xìng

to conceal one's identity

  1. 隐 隱 yǐn verb
    to hide
    (bound form) to hide; to conceal; to keep secret from others
  2. 名 míng noun
    name
    name or title of a person or thing; a person's given name
  3. 埋 mái verb
    to conceal
    To hide from view; to keep out of sight, as in 埋伏 mái​fú or 隐姓埋名 yǐn​xìng​mái​míng
  4. 姓 xìng nounverb
    family name, be surnamed
    family name; surname; to be surnamed