1. To give a thorough beating to;thrash.
   狠狠地打…一顿;鞭打
2. The alligator thrashed its tail.
   短吻鳄摆动着它的尾巴
3. The whale thrashed the water with its tail.
   鲸鱼用尾巴猛烈地打水。
4. To strike or hit repeatedly and forcefully;thrash.
   揍重复且用力地撞击敲打;痛打
5. Our tank regiment thrashed the enemy troops.
   我们的坦克团把敌军打得落花流水。

　2个名词解释