And then they get really angry and say I am going to solve this if it is the last thing I do.

然后他们真的很愤怒,所我就要解决这个,如果这是我做的最后一个。

麻省理工公开课 - 固态化学导论课程节选

He says something, and he doesn't really know where those words come from. He doesn't really know what made his granny so angry about those words.

他不知道自己说了什么,更不知道为什么,这会让祖母抓狂。

耶鲁公开课 - 1945年后的美国小说课程节选