n. an associate that one works with
n. a person who is member of one's class or profession
n. 同事, 同僚
1. I had lunch with my colleague today.
我今天和我的同事一起吃了午饭。
2. My colleague helped me with the project.
我的同事帮我完成了这个项目。
3. We often share ideas with our colleagues during meetings.
我们在会议上经常与同事分享想法。