3 sentences

1. 软弱会滋生软弱。

   ruǎn​ruò huì zī​shēng ruǎn​ruò.

   Weakness breeds weakness.

   Source: OpenSubtitles

2. 这种不公平的制度容易滋生腐败。

   zhè zhǒng bù gōng​píng de zhì​dù róng​yì zī​shēng fǔ​bài.

   This unfair system easily breeds corruption.

   Source: Dong Chinese Dictionary

3. 由于环境潮湿，角落里滋生了很多细菌。

   yóu​yú huán​jìng cháo​shī, jiǎo​luò lǐ zī​shēng le hěn​duō xì​jūn.

   Due to the damp environment, many bacteria have bred in the corners.

   Source: Dong Chinese Dictionary