"Why did you have to marry me when there were so many other girls to choose from?" she asked.

VOA: special.2009.06.27

You're stopping him on his track when he says that he's going to marry her, and you say,

当你哥哥说打算跟这个女孩结婚时，你决定要阻止他这样错下去，于是你说，

The thing is 课堂 - SpeakingMax英语口语达人