3 sentences

1. 就像看着天使堕落一样。

   jiù xiàng kàn zhe tiān​shǐ duò​luò yī​yàng.

   It's like watching an angel fall.

   Source: OpenSubtitles

2. 他是个堕落的赌徒。

   tā shì gè duò​luò de dǔ​tú.

   He's a degenerate gambler.

   Source: OpenSubtitles

3. 他如果不思进取，很容易在诱惑面前堕落。

   tā rú​guǒ bù sī jìn​qǔ, hěn róng​yì zài yòu​huò miàn​qián duò​luò.

   If he doesn't strive for progress, he could easily fall into depravity when faced with temptation.

   Source: Dong Chinese Dictionary