vt.

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

   那惡棍用棒頭狠揍我兄弟。

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

   削減防務費

3. 【主英】擊敗；戰勝
4. 【口】分享；把……分成份兒
   The thieves whacked the spoils.

   偷兒們分了贓。

vi.

1. 用力打

n.[C]

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

   玫抓起掃把，重重地打在大衛的背上。

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

   他們大家都分到了一份。

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

   試著舉起石塊

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.