我不知道接下来要说什么该怎么说。

I don't know what to say after this.

youdao

我都不知道要说什么，可能是太高兴了。

I don't know and say what, may be too happy.

youdao

我不知道你想要说什么。

I don't understand what you're trying to say.

youdao

我不知道你想要说什么。

I don't understand what you're trying to say.

youdao