你多观察一下，就会发现问题在哪儿。

Nǐ duō guānchá yíxià, jiù huì fāxiàn wèntí zài nǎr.

If you observe a bit more, you will find where the problem is.

医生仔细察看了他的伤口。

Yīshēng zǐxì chákàn le tā de shāngkǒu.

The doctor carefully examined his wound.

警察正在调查那起事故。

Jǐngchá zhèngzài diàochá nà qǐ shìgù.

The police are investigating that accident.