I better say something about oil in the ancient world, so that you get a grip on what's going on here.

我最好说一下油在古代世界的地位,以便你能明白为什么会出售芳香油

耶鲁公开课 - 古希腊历史简介课程节选

I mean, you've been banging on that pen for a long time and I don't understand why.

我是说，你一直用那支笔敲来敲去，我不明白为什么。

Would you please 实战 - SpeakingMax英语口语达人

Say, "Shelly, I didn't really understand what you were saying about the soul.

你就说，薛立，我真的不明白,你所说的关于灵魂。

耶鲁公开课 - 死亡课程节选

I don't understand why he broke up with you, he said he loves you.

我真不明白他为什么要跟你分手，他之前还说他爱你。

I hate 实战 - SpeakingMax英语口语达人

But then once they get over, "Hey, what are you doing to me?"

但一旦他们明白过来，他们会说：“喂，你想要我怎样啊？”

纽约的人们 - SpeakingMax英语口语达人