这个电影太难看了。

Zhège diànyǐng tài nánkàn le.

This movie is too awful.

如果你觉得难看，就不要买。

Rúguǒ nǐ juéde nánkàn, jiù búyào mǎi.

If you think it's ugly, then don't buy it.

这本书的封面有点难看，但是内容很好。

Zhè běn shū de fēngmiàn yǒudiǎn nánkàn, dànshì nèiróng hěn hǎo.

The cover of this book looks a bit ugly, but the content is very good.