对你的同事或朋友亲切的打招呼。

Call a coworker/friend to say "Hi!"

youdao

有没有哪个上司、同事或朋友知道事情的始末？

Did a boss, colleague or a friend see what happened?

youdao

试想一个繁忙的同事或朋友对他的工作重点深入。

Just imagine a busy colleague or friend deeply focused on his work.

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I mean the truth is I'm proud to be part of a movement in which I get to call you a colleague and a friend and a mentor because what you can do here at Princeton with the Faith Council, what college chaplains, what pastors and rabbis what other people in the interfaith organizations we're a movement and we're fighting with each other and we're moving together.

事实上，我很自豪能参与到一项运动中,在这里我能称你为同事或朋友,或导师,因为你在普林斯顿大学,为信仰委员会所做的，大学牧师，基督教及犹太教牧师,以及其他在跨信仰组织中工作的人们,我们在发起运动，我们相互斗争,我们一同前进。

普林斯顿公开课 - 人性课程节选

You use the "let's" pattern when you suggest to a friend, a colleague or to anybody that you do something a certain way.

当你在向朋友、同事或任何其他人提出建议，希望大家以某种方式做某事的时候，你可以使用“let's”句型。

Let's 课堂 - SpeakingMax英语口语达人