3 sentences

1. 戒掉毒瘾需要极大的毅力。

   jiè​diào dú​yǐn xū​yào jí dà de yì​lì.

   Breaking a drug addiction requires immense willpower.

   Source: Dong Chinese Dictionary

2. 他不幸染上了毒瘾，毁掉了前程。

   tā bù​xìng rǎn​shàng le dú​yǐn, huǐ​diào le qián​chéng.

   Unfortunately, he became addicted to drugs and ruined his future.

   Source: Dong Chinese Dictionary

3. 这家戒毒中心专门帮助瘾君子摆脱毒瘾。

   zhè jiā jiè dú zhōng​xīn zhuān​mén bāng​zhù yǐn​jūn​zǐ bǎi​tuō dú​yǐn.

   This rehabilitation center specializes in helping addicts overcome drug addiction.

   Source: Dong Chinese Dictionary