4 sentences for 东西 (dōng​xi — person)

1. 他真不是个好东西。

   tā zhēn bù shì gè hǎo dōng​xi.

   He is really not a good person.

   Source: Dong Chinese Dictionary

2. 我们知道你是什么东西。

   wǒ​men zhī​dào nǐ shì shén​me dōng​xi.

   We know what you are.

   Source: OpenSubtitles

3. 她是什么东西？

   tā shì shén​me dōng​xi?

   What is she?

   Source: OpenSubtitles

4. 咱们还是快出去吧，免得那东西咬人。

   zán​men hái​shi kuài chū​qù ba, miǎn​de nà dōng​xi yǎo rén.

   Let's get out of here before that thing bites somebody.

   Source: OpenSubtitles