笑死我了用英文怎么表达？

　　His sailing instructor fell overboard and drowned during a lesson

　　他的航海教练在一次训练课时从船上失足跌入水中，溺水身亡。

　　He was drowned in a shipwreck off the coast of Spain.

　　他在西班牙海岸附近的一次海难中溺水身亡。

　　Two children drowned after falling into the river.

　　两个孩子掉进河里淹死了。

　　Three sailors are missing, believed drowned.

　　有三位船员失踪。相信是淹死了。

　　He was drowned at sea.

　　他淹死在海里。