workmate

He has kept up with a number of his old workmates since his retirement.

他退休以一直和许事保持着联系。

His workmates made a collection for his leaving party.

他的事为他的告别晚会募捐。

The people we work with are called workmates and our friends at school are called classmates.

和我们一起工作的人叫事；在学校里的朋友叫学。

You can choose your job, your company, but you can’t choose your workmate, so working with nice people is lucky.

你可以选择自己的工作和公司，但不能选择自己的事，所以和好相处的人一起工作是幸运的事情。