Many people are uncertain about how to address members of the nobility.

人不知道怎样称呼贵族家的人。

youdao

I'm still uncertain about the use of that phrase.

对于那个短语的用法我还没把握。

youdao

I'm still uncertain about the use of that phrase.

对于那个短语的用法我还没把握。

youdao