informal <非正式>
with obj.
1- strike forcefully with a sharp blow用力打, 猛击：
his attacker whacked him on the head
攻击者猛击他的头部
no obj. she found a stick to whack at the branches.她找了一根棍子来猛打枝条。
1.1
- defeat in a contest（比赛中）击败：
with obj. and complement the team were whacked six-nil.该队以0比6败北.
1.2
- with obj. and adverbial put or push (something) roughly or carelessly in a specified place or direction（粗暴或不小心地）推, 放：
he whacks a tape into the cassette recorder.
他重重地往盒式录音机里塞进一盒录音带。
1.3
- US murder〈美〉谋杀：
he was whacked while sitting in his car.
他坐在他的车里被谋杀了。
1
- a sharp or resounding blow猛击, 清脆响亮的重击。
2
- a try or attempt尝试, 试图：
we decided to take a whack at spotting the decade's trends.
我们决定尝试着来找出这十年的趋势。
3
- Brit. a specified share of or contribution to something〈英〉份额; 贡献：
motorists pay a fair whack for the use of the roads through taxes.
汽车司机通过交税来支付相当一部分使用道路的费用。
短语
out of whack
- chiefly N. Amer. & Austral. out of order; not working〈主北美, 主澳〉紊乱, 有毛病; 出故障：
all their calculations were out of whack.
他们的计算都有问题。
top（或full）whack
- chiefly Brit. the maximum price or rate〈主英〉最高价格; 最高速度：
the car has a top whack of 107 mph.
这部车最高时速为107英里。
派生词
whacker
noun词源
early 18th cent.: imitative， or perhaps an alteration of THWACK.
短语动词
whack off
- vulgar slang masturbate〈粗俚〉手淫。