今天我不太忙。

Jīntiān wǒ bú tài máng.

I am not very busy today.

我现在不太想说话。

Wǒ xiànzài bú tài xiǎng shuōhuà.

I don’t really want to talk right now.

这道题我不太明白，可以再说一次吗？

Zhè dào tí wǒ bú tài míngbai, kěyǐ zài shuō yí cì ma?

I don’t really understand this question; could you say it again?