3 sentences

1. 你无权干涉我的私生活。

   nǐ wú​quán gān​shè wǒ de sī​shēng​huó.

   You have no right to interfere in my private life.

   Source: Dong Chinese Dictionary

2. 她无权那样做。

   tā wú​quán nà​yàng zuò.

   She has no right to do that.

   Source: OpenSubtitles

3. 他无权代表公司签署这份合同。

   tā wú​quán dài​biǎo gōng​sī qiān​shǔ zhè fèn hé​tong.

   He has no authority to sign this contract on behalf of the company.

   Source: Dong Chinese Dictionary