I will insist on doing what is right and I will not back down!

我会坚持做对的事情，而且不会打退堂鼓。

youdao

I will not be back until next Friday.

我将在下周五回来。

youdao

He answered, "no, I will not go; I am going back to my own land and my own people."

何巴回答说：“我不去，我要回本地本族那里去。”

youdao

"Michaelson,listen to me, you can stand there and say anything you like, just stay there one minute longer, do not move,I will be right back, one minute!" He rushed outside.

VOA: special.2011.03.05

And finally Agamemnon says, "No, I'm not going to give back my girl, but I'll tell you what, I will give back my girl if I am given the girl you took from a different Trojan, and that'll be fine.

阿伽门农最后说,"我不会把那姑娘还回去,但是,照我说,如果你将在特洛伊战中俘获的姑娘,都送给我,我就把那姑娘还回去

耶鲁公开课 - 古希腊历史简介课程节选

So, these rulers have a coercive ability in creating, and I'll come back to this, large standing armies that will be arriving not immediately, they're not arriving by train or being helicoptered in at some distant command, but they will get there if there's trouble.

这些统治者们以铁腕构建极权,稍后我会谈到这一点,一只大规模的军队,在当时很难进行远程调度,因为他们没法坐火车或者搭直升机立刻赶到,但他们最终会到达事发处

耶鲁公开课 - 欧洲文明课程节选

But I will not back down on the basic principle that, if Americans can't find affordable coverage, we will provide you with a choice.

CNN: Obama offers health care details in speech to Congress

But I will not back down from making sure an oil company can contain the kind of oil spill we saw in the Gulf two years ago. (Applause.) I will not back down from protecting our kids from mercury poisoning, or making sure that our food is safe and our water is clean.

WHITEHOUSE: 2012 State Of The Union Address Enhanced Version

And I will not go back to the days when Wall Street was allowed to play by its own set of rules.

WHITEHOUSE: 2012 State Of The Union Address Enhanced Version