"But we also have to recognize that if markets are skittish and don't have confidence that we can tackle the tough problems of our medium- and long-term debt and deficits,then that also is going to undermine our recovery."

VOA: standard.2010.06.27

So that you will come away with a sense of what you can do, what you can't do, and what kinds of things you should use to tackle complex problems.

因此你们才能对,你们能做的事儿，不能做的事儿,和用何方法去,解决棘手问题有一个基本概念。

麻省理工公开课 - 计算机科学及编程导论课程节选

because that's just, I don't feel like I'm even going to tackle that subject.

因为只是，我不想讲得更细。

在布鲁克林的生活 - SpeakingMax英语口语达人