in (one's) hands
Under one's control or influence; in one's possession. You're the boss now. The decision is in your hands. The referendum will put the issue in voters' hands this April.
in one's hands
Also, in the hands of one. In one's responsibility, charge, or care. For example, The disposition of the property is in his hands, or Let's put this part of that project in Christine's hands. [c. 1400] For the antonym, see . off one's hands . Also see in the hands of; on one's hands; take one's life (in one's hands); take into one's hands; take the law into one's own hands.
in your hands
COMMON If something is in your hands, it is in your possession or under your control. This move will leave too much power in the hands of the party leadership. You have to trust your surgeon. Your life is in their hands.