shake hands (grasp another person’s hands in a greeting)

hand in hand (holding or clasping hands) / hand in hand (having a correlation or relationship)

(idiomatic, of a person) putty in someone's hands (a person easily manipulated)

plural of joguete nas mãos de

(idiomatic) to eat out of someone's hand (to be submissive due to fascination)

in good hands (under guidance)

on hand; available

(idiomatic) to mess up, to fuck up (to make a mistake, to go wrong)

plural of mão-cheia

hands up! (put your hands in the air)