她从来就不知道他姓什么，只知道他的名字。

She'd never known his surname, only his first name.

《柯林斯英汉双解大词典》

您知道他姓什么吗？

Do you know his family name?

youdao

他姓什么？

What's his other name?

youdao

至少我知道他姓什么了。

At least I have a last name.

youdao

在加拿大，只有非常了解一个人，才能知道他姓什么。

You have to know a man awfully well in Canada to know his surname.

youdao

他是个孤儿，因而不知道他自己姓什么。

He is an orphan, so he is not sure which family name he should have.

youdao

他是个孤儿，因而不知道他自己姓什么。

He is an orphan, so he is not sure which family name he should have.

youdao