2 sentences

1. 他喜欢通过网络交友。

   tā xǐ​huan tōng​guò Wǎng​luò jiāo​yǒu.

   He likes making friends through the internet.

   Source: Dong Chinese Dictionary

2. 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