n.同事,同僚,同行
I hesitated, not wanting to tell tales about my colleague.
我犹豫了,不想说同事的坏话。
He was fired from his job after roughing up a colleague.
他因为对一位同事动粗而被开除了。
He had been invited to sup with a colleague and his wife.
他已经受邀和一位同事及其夫人共进晚餐。