a life of a person who leads two different lives that are kept separate from each other, usually because one of them involves secret, often illegal, activities 双重人格的生活(常指其中一重人格涉及非法或不道德行为) to live/lead a double life 过着双重人格的生活 He had been leading a double life, married to two women. 他和两个女人结了婚,过着双重生活。