vt.

1. 【口】（用棍棒等）重打；猛击
   The bully whacked my brother with a stick.

   那恶棍用棒头狠揍我兄弟。

2. 【美】【俚】砍劈；削减
   whack defense expenditures

   削减防务费

3. 【主英】击败；战胜
4. 【口】分享；把……分成份儿
   The thieves whacked the spoils.

   偷儿们分了赃。

vi.

1. 用力打

n.[C]

1. 重击；重击声
   May seized the broom and brought it down with a tremendous whack upon David's back.

   梅抓起扫把，重重地打在戴维的背上。

2. 【口】份儿；一份[S1]
   They have all had a whack.

   他们大家都分到了一份。

3. 【口】尝试；机会[S1]
   have a whack at lifting the rock

   试着举起石块

v.

1. strike forcefully with a sharp blow.
   ▸defeat heavily.
   ▸place or insert roughly or carelessly.
2. N. Amer. murder.
3. (whack off) vulgar slang masturbate.

n.

1. a sharp or resounding blow.
2. a try or attempt.
3. Brit. a specified share of or contribution to something.
   ▸N. Amer. a large quantity or amount.