rear end
後部,臀部
rear end
n : the fleshy part of the human body that you sit on; "he
deserves a good kick in the butt"; "are you going to sit
on your fanny and do nothing?" [syn: buttocks, nates,
arse, butt, backside, bum, buns, can, fundament,
hindquarters, hind end, keister, posterior, prat,
rear, rump, stern, seat, tail, tail end, tooshie,
tush, bottom, behind, derriere, fanny, ass]