2 sentences for 染 (rǎn — catch)

1. 他因为交友不慎，染了一身坏毛病。

   tā yīn​wèi jiāo​yǒu bù​shèn, rǎn le yī shēn huài máo​bìng.

   Because of his poor choice of friends, he picked up a lot of bad habits.

   Source: Dong Chinese Dictionary

2. 这种不良风气渐染了当地的年轻人。

   zhè zhǒng bù​liáng fēng​qì jiān rǎn le dāng​dì de nián​qīng​rén.

   This harmful trend has gradually influenced the local youth.

   Source: Dong Chinese Dictionary