4 sentences

1. 他历经了许多磨难。

   tā lì​jīng le xǔ​duō mó​nàn.

   He has been through many hardships.

   Source: Dong Chinese Dictionary

2. 他在战争中经受了重重磨难。

   tā zài zhàn​zhēng zhōng jīng​shòu le chóng​chóng mó​nàn.

   He endured many hardships during the war.

   Source: Dong Chinese Dictionary

3. 他在漫长的征涂中历经磨难，终于到达了目的地。

   tā zài màn​cháng de zhēng​tú zhōng lì​jīng mó​nàn, zhōng​yú dào​dá le mù​dì​dì.

   He went through many hardships on the long journey and finally reached his destination.

   Source: Dong Chinese Dictionary

4. 他的人生经历过许多磨难，这些挫折让他变得更加坚强。

   tā de rén​shēng jīng​lì guo xǔ​duō mó​nàn, zhè​xiē cuò​zhé ràng tā biàn de gèng​jiā jiān​qiáng.

   He has experienced many tribulations in his life, and these setbacks have made him stronger.

   Source: Dong Chinese Dictionary