To change one's name (surname and given name), often to conceal one's true identity; to assume an alias.
为了躲避过去的烦恼，他决定改姓更名，开始新的生活。
To escape past troubles, he decided to change his surname and given name and start a new life.
Next Idiom
To change one's name (surname and given name), often to conceal one's true identity; to assume an alias.