2 sentences

1. 我们要用辩证的观点来看待问题。

   wǒ​men yào yòng biàn​zhèng de guān​diǎn lái kàn​dài wèn​tí.

   We should look at problems from a dialectical perspective.

   Source: Dong Chinese Dictionary

2. 学者对这件文物的真伪进行了仔细辩证。

   xué​zhě duì zhè jiàn wén​wù de zhēn​wěi jìn​xíng le zǐ​xì biàn​zhèng.

   Scholars carefully authenticated the genuineness of this artifact.

   Source: Dong Chinese Dictionary