A board pulled over the water by a motorboat and ridden by a person standing up.
滑水板由机动船牵引水面上的板，并由站在上面的人乘坐操纵
Every day the newspapers have contained articles about the government's plans to reduce unemployment-they've been almost ridden to death before they've even been put into practice.
报纸上每天都有文章讨论政府降低失业率的计划——在这些计划被付诸实现以前，几乎被谈得叫不人感兴趣了。
He is ridden by doubts.
他为怀疑而苦恼。
