Translation of "Colleagues" in Chinese

You are colleagues.

你們是同事。

They are my colleagues.

我和他們是同事。

He is popular among his colleagues.

他在他的同事之中受到歡迎。

He is called Huan, we are colleagues.

他叫胡安，我們是同事。

Lucy and I are not colleagues, we are classmates.

我和露西不是同事，是同學。