我不会打拼音。

Wǒ bú huì dǎ pīnyīn.

I can't type in pinyin.

你懂拼音吗？

Nǐ dǒng pīnyīn ma?

Do you know pinyin?

我最近在学汉语拼音。

Wǒ zuìjìn zài xué Hànyǔ pīnyīn.

I've been learning Hanyu Pinyin recently.