“外孙”的英语？

“外孙”的拼音为：wài sūn...

他唯一缺的就是个儿子，我想他觉得有个外孙也不错。The one thing he didn't have was a son. I think he's felt that a grandson is the next best thing.难道你要杀死你自己的外孙 吗 ?Would you put your own grandson to death?那只是因为怕有负于其他的外孙.It was because of...