be in (one's) hands(redirected from be in his hands)
be in (one's) hands
To be one's responsibility. You're an adult now—the decision to stay home from school is in your hands. I'll never get the promotion if the decision is in Tina's hands—she hates me!
See also: hand
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.