我知道你的名字，但不知道你的姓氏。

I know your first name, but I don't know your family name.

youdao

当杂货店里空无一人的时候，你所能听到的常常是飞来飞去的苍蝇的嗡嗡叫声，这时我就想起了那个年轻人来，我们从来就不知道他叫什么名字，小城镇里也没有人再提到这个人。

Often, when the grocery store is empty and all you can hear is the buzzing of flies, I think of that young man whose name we never knew and whom no one in town ever mentioned again.

youdao

如果我不知道你的名字，告诉我你是怎样联系到我的。

If I don't know you by name, tell me how you came to contact me.

youdao

So Claire Elise enters and I'm sorry I don't know your name, Jean enters so let's have a look at this array.

克莱尔·伊莉斯参选,对不起我不知道你的名字,吉恩参选,我们来看一下这一行

耶鲁公开课 - 博弈论课程节选