我们已经不能以关起门来独善其身的方式应对这些挑战。

We can no longer meet these challenges by closing the door and simply looking after our own house.

youdao

然而，反对派一边在战场上搏杀另一边关起门来进行谈判实属常见。

Yet it is not unusual to find antagonists grappling on the battlefield and treating behind closed doors simultaneously.

youdao

我认为，人们躲在匿名制后头，觉得就像关起门来一样可以畅所欲言。

I think people hide behind anonymity and they feel like they can say whatever they want behind closed doors.

youdao

We're going to talk about various aspects of food and I'd like to start off with a little pop quiz.

我们将讨论有关食品的方方面面,我将以一个小测验来开始这门课

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Same story for sophomore, same story for junior year, I finally took it senior year because they wouldn't get another chance even though it still doesn't fit in the workload ha ha.

大二，大三都是如此，最后我到大四才来上这门课,因为即使学业再忙,再不选就没有机会了，哈哈。

哈佛公开课 - 计算机科学课程节选

So let me turn now to just some of the administrative, organizational details of the course, the secondary readings that we'll be using.

好现在让我来另外讲一些关于这门课程的管理及,组成成分方面的细节，一些我们将要使用的阅读辅助材料。

耶鲁公开课 - 旧约导论课程节选