bouncer
(also bumper), n
1 (in cricket) bowled ball that bounces high and forcefully (板球)反彈力大的高球
bowl sb a fast bouncer 向某人投擲反彈力大的快速高球.
2 (infml 口) person employed by a club, restaurant, etc to throw out trouble-makers (俱樂(lè)部, 飯店等雇用的)驅(qū)逐搗亂者的人.
??? 情景例句
I've got to keep my nose to the grindstone to support my family.