5 sentences

1. 我们要攻克这项技术的难点。

   wǒ​men yào gōng​kè zhè xiàng jì​shù de nán​diǎn.

   We must overcome the technical challenges of this technology.

   Source: Dong Chinese Dictionary

2. 我们决心要把这项科研任务攻克下来。

   wǒ​men jué​xīn yào bǎ zhè xiàng kē​yán rèn​wu gōng​kè xià​lai.

   We are determined to complete this scientific research task.

   Source: Dong Chinese Dictionary

3. 经过数月的苦战，团队终于攻克了技术难关。

   jīng​guò shù yuè de kǔ​zhàn, tuán​duì zhōng​yú gōng​kè le jì​shù nán​guān.

   After months of hard struggle, the team finally overcame the technical difficulties.

   Source: Dong Chinese Dictionary

4. 经过三天的激战，我军终于攻克了敌方的堡垒。

   jīng​guò sān tiān de jī​zhàn, wǒ jūn zhōng​yú gōng​kè le dí​fāng de bǎo​lěi.

   After three days of fierce fighting, our army finally captured the enemy's stronghold.

   Source: Dong Chinese Dictionary

5. 他制定了一个详细的攻略计划，准备攻克那座城堡。

   tā zhì​dìng le yī gè xiáng​xì de gōng​lüè jì​huà, zhǔn​bèi gōng​kè nà zuò chéng​bǎo.

   He devised a detailed strategy to capture the castle.

   Source: Dong Chinese Dictionary