colleague

colleague
/ˈkɔli:g; `kɑliɡ/ n
person with whom one works, esp in a profession or business 同事; 同僚
    the Prime Minister's Cabinet colleagues 首相的内阁同僚
    David is a colleague of mine/David and I are colleagues. 戴维是我的同事[戴维和我是同事].

牛津英汉双解词典