So be friendly because he's a little bit sensitive.

所以要友善点哦，因为他有一点敏感。

Do you mind 实战 - SpeakingMax英语口语达人

And, you've undoubtedly heard a lot in the public press, and even in the political dialogue such as it is these days that hydrogen might be on environmentally friendly fuel.

毫无疑问你已经在公开新闻上，甚至在政治的对话上听到过了,比如最近这些天,氢气是一种环境友好的燃料。

麻省理工公开课 - 固态化学导论课程节选

We're actually going to do one more clicker question to get started with today, and as we do, I'll explain something we're going to be trying today, which is a little bit of a friendly competition in terms of answering the clicker questions correctly.

我们将在开始讲授今天的课程之前,再多做一个选择题，我先来说明一下做这件事的原因，这实际上是一个,回答选择题的小比赛。

麻省理工公开课 - 化学原理课程节选

The people weren't quite as friendly as they used to be.

人们不像从前那么友好了。

哥伦比亚的氛围 - SpeakingMax英语口语达人