1 sentence

1. 由于证据不足，警方不能长期拘禁他。

   yóu​yú zhèng​jù bù​zú, jǐng​fāng bù néng cháng​qī jū​jìn tā.

   Due to insufficient evidence, the police cannot detain him for a long period.

   Source: Dong Chinese Dictionary