2 sentences

1. 他的理论缺乏实证研究的支持。

   tā de lǐ​lùn quē​fá shí​zhèng yán​jiū de zhī​chí.

   His theory lacks support from empirical research.

   Source: Dong Chinese Dictionary

2. 警方目前还没有找到确凿的实证。

   jǐng​fāng mù​qián hái méi​yǒu zhǎo​dào què​záo de shí​zhèng.

   The police have not yet found any solid evidence.

   Source: Dong Chinese Dictionary