That is to say, we're going to focus on the question of what a poem is, and the question "What criteria should we invoke in order to read it for the best and correctly?"

换句话说，我们将把注意力集中在,“什么是诗歌“,和“为了读懂诗歌,我们需要具备哪些素质“的问题上“

耶鲁公开课 - 文学理论导论课程节选

I'm frustrated that I can't concentrate on my homework.

我没法把注意力集中在我的作业上，真令人泄气。

I'm frustrated 实战 - SpeakingMax英语口语达人

They start to talk about who's most susceptible in the population; who were the most vulnerable groups; and if you're going to do intervention, who you may want to focus your efforts on.

人们开始讨论哪些人是最易受到影响的,哪些是最脆弱的群体,如果要进行干预,应该把注意力集中在哪些人身上

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You open what we call the "text editor," the specific one we used on Wednesday was called Nano, -- which is similar to Notepad or TextEdit -- totally simple, kind of dumbed down but in a useful way so that you can just focus on writing code and not learning some new interface.

你先打开那个“文本编辑器“,就是我们周三用过的叫做Nano的编辑器，这个跟写字板和记事本差不多-,非常简单的，只是通过一种有用的方法而进行精简了的,所以你们可以把注意力集中在编写代码上,而不需要学习一些新的界面操作。

哈佛公开课 - 计算机科学课程节选

because they're like very, um, concentrated on their work.

可能是因为他们把精力全部集中在学习工作上了。

MIT的时尚品味 - SpeakingMax英语口语达人