跳下动作的英文：
dismount

The horse twisted, kicked and finally dismounted its rider.
那匹马又蹦又跳，终于把骑手摔了下来。

The duchess dismounted from the horseback with the help of her servant
公爵夫人在佣人的帮助下从马背上下来。

He was startled by the loud and dissonant voice of a man who was apparently dismounting at the door
门口好象有人刚刚下马，喧嚣声惊动了他。

One has to dismount from an idea and get into saddle again at very parenthesis.
每当遇上一个括号，就叫人不得不从一种想法下马，然后再次骑上马鞍。(马鞍有圆形的，也有方的，很像话号)

One have to dismount from an idea and get into saddle again at every parenthesis.
每当遇上一个括号，就叫人不得不从一种想法下马，然后再次骑上马鞍。