3 sentences

1. 她在那个战乱年代不幸沦落为妓。

   tā zài nà gè zhàn​luàn nián​dài bù​xìng lún​luò wéi jì.

   During those years of war, she unfortunately fell into prostitution.

   Source: Dong Chinese Dictionary

2. 在旧时代，许多女子被迫沦落到窑里。

   zài jiù shí​dài, xǔ​duō nǚ​zǐ bèi​pò lún​luò dào yáo lǐ.

   In the old days, many women were forced into brothels.

   Source: Dong Chinese Dictionary

3. 他生意失败后，竟然沦落到在街头乞讨。

   tā shēng​yi shī​bài hòu, jìng​rán lún​luò dào zài jiē​tóu qǐ​tǎo.

   After his business failed, he actually ended up begging on the streets.

   Source: Dong Chinese Dictionary