隐姓埋名 yǐn xìng mái míng

DEFINITIONS

  1. to conceal one's identity
  2. living incognito

CHARACTERS

隐 yǐn hide, conceal; hidden, secret
姓 xìng one's family name; clan, people
埋 mái bury, secrete, conceal
名 míng name, rank, title, position