2 sentences for 颓废 (tuí​fèi — decadent)

1. 这种颓废的音乐容易使人的斗志消沉。

   zhè zhǒng tuí​fèi de yīn​yuè róng​yì shǐ rén de dòu​zhì xiāo​chén.

   This kind of decadent music can easily dampen one's morale.

   Source: Dong Chinese Dictionary

2. 这种颓废的生活方式让他逐渐丧失了斗志。

   zhè zhǒng tuí​fèi de shēng​huó fāng​shì ràng tā zhú​jiàn sàng​shī le dòu​zhì.

   This decadent lifestyle caused him to gradually lose his fighting spirit.

   Source: Dong Chinese Dictionary