2 sentences

1. 我不管他的朋友说什么。

   wǒ bù​guǎn tā de péng​you shuō shén​me.

   I don’t care what his friends say.

   Source: CCMatrix

2. 他不知道如何说服儿子接管他的事业。

   tā bù​zhī​dào rú​hé shuō fú ér​zi jiē​guǎn tā de shì​yè.

   He does not know how to persuade his son to take over his business.

   Source: UM-Corpus: Education