Lift/raise a hand against somebody - Idioms by The Free Dictionary
lift/raise a hand against somebody
raise a hand against
Also, lift one's hand against. Threaten to hit or actually hit, as in She's never raised a hand against the children. [First half of 1500s]
lift/raise a ˈhand against somebody to hit or threaten to hit somebody: She never raised a hand against her daughter because she didn’t believe in hitting children.