(idiomatic) to have blood on one's hands

it will end in tears! stop fooling around! stop roughhousing! you'll poke an eye out! it's all fun and games till someone gets hurt! it's all fun and games until someone loses an eye! (used to admonish children who are bickering and fighting) / naughty! (used with sexual overtones)

hands up! stick 'em up! reach for the sky!

secondhand

to lay hands on

(transitive); (reflexive, figuratively) to pick oneself up off the floor, to pull oneself together

show of hands

Alternative form of entre de bonnes mains

(sewing) trainee seamstress, assistant seamstress, low-rank seamstress / (derogatory, figuratively) low-paid worker, worker employed to do menial jobs, dogsbody

(literary) for a long time