And I absolutely positively will not back down or change the subject until you admit it.

我绝对绝对不会让步或者改变话题，直到你同意为止。

youdao

He is tough (and will not back down from a fight) but plays ball with the neighborhood kids in the field which ajoins Birdy's house.

他很强硬，并且不会在打斗中退缩，却会跟邻居小孩在鸟人家旁边的空地上打球。

youdao

First of all the AU, as the continent’s leading body, which often intones the mantra of “African solutions to African problems”, must not back down.

首先，作为非洲大陆的领导力量，也作为“非洲问题非洲解决”的支持者，非洲联盟绝对不可以让步。

youdao

Back at the association, Im Sambath says the cyclo is down,but not out.

VOA: standard.2010.06.14

If things didn't work out long term, they still have a spot for me I think if I want to go back and finish my MBA it's just not that high risk when you get right down to it.

如果长期下来不行的话，他们仍然偏爱我的话，我想我可以,回来读完工管硕士，实际去做的话困难并不大。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

The sense of going back and forth, no one of us on top, not correspondent in a vertical way, how things going down there.

这种来来回回的感觉，没有人是在高处，也没人在低处。

普林斯顿公开课 - 人性课程节选

If Iraq does not back down, U.S. Defense Secretary William Cohen warned that military action is a possibility.

CNN: AllPolitics - U.S. Officials Stand Firm Against Iraq

We shall not go quietly into the night, but we are ready to take our stand here, we will not back down, ever.

FORBES: Is Diversity the Secret Key to America's Economic Renewal?

Each time we encounter injustice is an opportunity to be uncompromising, to prove a point, to not back down, but to pave the way.

CNN: Commentary: A 'congressional spouse' breaks barriers