jack hammer

基本解釋

Jack continues to hammer at Anna's face, which is becoming a bloody mess.
杰克繼續(xù)猛擊安娜的臉。安娜的臉變得血肉模糊。
But it does not add up to a case for taking a jack-hammer to the Reagan coalition.
但這當然不是說要去瓦解始于里根時期的共和黨聯(lián)盟。
Attached electric jack hammer arm and air supply Veronica reduction package movie scene!
附電動伸縮手臂及空中羅維尼卡補給包還原電影情景！
bbs.boy-toy.net

At best, it is a jack-hammer solution to an Emily Post problem.
FORBES: New York Anti-Bullying Law A Big Bad Idea
After all, the piano is such a welter of machinery: Push a key and before you hear a note, a small lever pushes against an intermediate lever, which pushes a jack, which pushes a roller, which pushes a hammer toward the strings.
NPR: Murray Perahia: Bonding With Bach And Chopin

A jackhammer is a large hammer, powered by compressed air, that is used for breaking up rocks and other hard material.