这宗案件比较复杂。

Zhè zōng ànjiàn bǐjiào fùzá.

This case is rather complicated.

警察正在进一步调查这宗案件。

Jǐngchá zhèngzài jìnyíbù diàochá zhè zōng ànjiàn.

The police are investigating the case further.

这宗案件受到世界各地的关注。

Zhè zōng ànjiàn shòudào shìjiè gèdì de guānzhù.

This case has drawn attention from around the world.