2 sentences

1. 警方的行动成功瓦解了这个跨国贩毒集团。

   jǐng​fāng de xíng​dòng chéng​gōng wǎ​jiě le zhè gè kuà​guó fàn​dú jí​tuán.

   The police operation successfully dismantled the transnational drug trafficking ring.

   Source: Dong Chinese Dictionary

2. 由于内部矛盾，整个组织在几个月内就彻底瓦解了。

   yóu​yú nèi​bù máo​dùn, zhěng​gè zǔ​zhī zài jǐ gè yuè nèi jiù chè​dǐ wǎ​jiě le.

   Due to internal conflicts, the entire organization collapsed completely within a few months.

   Source: Dong Chinese Dictionary