3 sentences for 投訴 (tóu​sù — to complain)

1. 你可以向他们提出投诉。

   nǐ kě​yǐ xiàng tā​men tí chū tóu​sù.

   You can file a complaint with them.

   Source: CCMatrix

2. 我向酒店经理投诉。

   wǒ xiàng jiǔ​diàn jīng​lǐ tóu​sù.

   I complained to the hotel manager.

   Source: CCMatrix

3. 有人投诉我吗？

   yǒu rén tóu​sù wǒ ma?

   Has anyone complained about me?

   Source: OpenSubtitles