2 sentences

1. 起义军在黎明时分攻破了城池。

   qǐ​yì​jūn zài lí​míng shí​fēn gōng​pò le chéng​chí.

   The rebel forces captured the city at dawn.

   Source: Dong Chinese Dictionary

2. 经过数月的实验，科学家们终于攻破了这项医学难题。

   jīng​guò shù yuè de shí​yàn, kē​xué​jiā men zhōng​yú gōng​pò le zhè xiàng yī​xué nán​tí.

   After months of experiments, scientists finally cracked this medical challenge.

   Source: Dong Chinese Dictionary