rear end

名词 rear end:

1. the fleshy part of the human body that you sit on
   同义词：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

动词 rear end:

1. collide with the rear end of
   同义词：rear-end

1. His mother was so annoyed with him that she swatted his rear end.
   他的妈妈被他惹恼了，狠狠地揍他的屁股。
2. The rear end of my car was smashed when we suddenly stopped and the car behind us hit us.
   当我们猛然刹车时，我们的车尾被后面的车撞坏了。