Translation of "Coworkers" in Chinese

I really like my coworkers.

我确实喜欢我的同事。

Tom and I aren't friends. We're just coworkers.

湯姆跟我不是朋友，我們只是同事。

She is Anna; Anna and Louis are coworkers.

她叫安娜，安娜和路易斯是同事。

His speech has had a positive effect on all of his coworkers.

他的讲话对所有同事产生了积极影响。

When one of my coworkers starts racking up good sales figures I can't let down my guard.

若同期的人先一步完成銷售目標，我也不能再吊兒郎當了。