你的男朋友很好看！

Nǐde nánpéngyou hěn hǎokàn!

You're boyfriend is attractive!

我觉得这个帽子很好看。

Wǒ juéde zhège màozi hěn hǎokàn.

I think this hat looks nice.

这件衣服真好看。

Zhè jiàn yīfu zhēn hǎokàn.

This piece of clothing is really good-looking.