your life is in someone's hands

your life is in someone's hands

If your life is in someone's hands, they have complete control over whether you live or die. The realization that another woman's life may be in my hands is a frightening one. Note: You can also say that you put your life in someone's hands or that someone holds your life their hands. What makes you think I would put my life in your hands? You feel a responsibility to people because sometimes you're holding their life in your hands.
See also: hand, life