If he had all of that,it's not so clear to me that it would be the wrong thing to say that, by golly,this is Napoleon.

如果他都拥有这些，那我就不太确定，这么说是否错误了，天哪，这是拿破仑。

耶鲁公开课 - 死亡课程节选

I mean, there's John Nash who's the, well, I don't... I think he won a Nobel Prize.

有一个校友叫约翰·纳什，我也不确定他得没得诺贝尔奖。

知道约翰·纳什吗？ - SpeakingMax英语口语达人

I'm not sure if he still lives in San Francisco.

我不确定他是不是依然住在旧金山。

罗宾·威廉姆斯的家 - SpeakingMax英语口语达人