4 sentences

1. 她的癌症又复发了。

   tā de ái​zhèng yòu fù​fā le.

   Her cancer's back.

   Source: OpenSubtitles

2. 慢性支气管炎在冬季容易复发。

   màn​xìng zhī​qì​guǎn​yán zài dōng​jì róng​yì fù​fā.

   Chronic bronchitis is prone to flare up in winter.

   Source: Dong Chinese Dictionary

3. 由于没有彻底治愈，他的胃病又复发了。

   yóu​yú méi​yǒu chè​dǐ zhì​yù, tā de wèi​bìng yòu fù​fā le.

   Because it wasn't completely cured, his stomach problem recurred.

   Source: Dong Chinese Dictionary

4. 戒烟一年后，他的烟瘾又复发了。

   jiè​yān yī nián hòu, tā de yān​yǐn yòu fù​fā le.

   After quitting for a year, his smoking habit relapsed.

   Source: Dong Chinese Dictionary