vt.

1. （用鞭，棍）打，痛击
   She would never thrash her children.

   她绝不会鞭打她的孩子。

2. 摔打（谷物），使脱粒
   Farmers used to thrash their wheat by hand.

   农民过去用手打麦脱粒。

3. 连续击打（或挥动）
   The bird thrashed its wings.

   鸟儿拍击翅膀。

4. 【口】击败，大胜
   Our tank regiment thrashed the enemy troops.

   我们的坦克团把敌军打得落花流水。

5. 推敲，反复研究[（+out）]
   They are thrashing out a new economic policy.

   他们正在研究制定一个新的经济政策。

vi.

1. 痛打
2. 打谷，脱粒
3. 连续拍击
4. 翻跳，扭动[（+about/around）]
   The pickpocket was thrashing around in an attempt to get free.

   那个扒手拼命挣扎，试图脱身。

   Fishes thrashed about in the net.

   鱼儿在网里乱蹦乱跳。

5. 顶着风浪前进
   The ship thrashed to windward.

   船顶风破浪行进。

n.[C]

1. 打，击；脱粒
2. 顶风冒浪
3. （游泳）踢水动作
4. 敲击摇滚乐

v.

1. beat repeatedly and violently with or as with a stick or whip.
2. move in a violent or uncontrolled way:
   he lay thrashing around in pain.
3. informal defeat heavily.
4. (thrash something out) discuss something frankly and thoroughly, especially to reach a decision.

n.

1. a violent or noisy movement of beating or thrashing.
   ▸informal a fast and exciting motor race or other sporting event.
2. Brit. informal a party, especially a loud or lavish one.
3. (also thrash metal) a style of fast, loud, harsh-sounding rock music, combining elements of punk and heavy metal.