3 sentences

1. 给专员打电话。

   gěi zhuān​yuán dǎ diàn​huà.

   Call the commissioner.

   Source: OpenSubtitles

2. 他在公司的人力资源部担任招聘专员。

   tā zài gōng​sī de rén​lì zī​yuán bù dān​rèn zhāo​pìn zhuān​yuán.

   He works as a recruitment specialist in the company's human resources department.

   Source: Dong Chinese Dictionary

3. 联合国人权事务高级专员正在访问中国。

   Lián​hé​guó rén​quán shì​wù gāo​jí zhuān​yuán zhèng​zài fǎng​wèn Zhōng​guó.

   The United Nations High Commissioner for Human Rights is currently visiting China.

   Source: Dong Chinese Dictionary