We should fight for what we want because life is under no obligation to give us what we expect.

我们需要为自己想要的事物而奋斗，因为生活并没有义务要给予我们所期待的东西。

youdao

You are under no obligation to buy anything.

你不必非买什么东西不可。

《牛津词典》

Voters are under no obligation to be so gullible.

选民实在是没有义务要受这样的欺骗。

youdao

But what I'm trying to get at is do you consider that you are under no obligation, since you haven't actually entered into any act of consent, but for prudential reasons, you do what you're supposed to do according to the law?

但我想知道的是，你认为自己,不负有任何义务，因为你并未真正作出任何形式的同意，只是出于谨慎考虑，你还是会依法缴税，是吗？

耶鲁公开课 - 公正课程节选

These are completely optional, not required for the course, so there's no obligation for you guys to get involved in these things, but I'll mention these things as we go along in case anybody would like to get involved in working with professors or graduate students.

这些都是自愿选择的,而不是课程要求,所以并不强制你们都参加,但随着课程的进行,我还会不断提及,便于任何感兴趣的同学,能够与教授或研究生一同参与研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Whereas most utterances purport to be saying something true about the actual state of things in the world, literary utterance is under no such obligation, the argument goes, and ought properly to be understood as fiction making it up as opposed to referring.

大多数言辞都是对事物的真实状况的,真实反映，而这种观点认为，文学没有这个义务，应该把文学理解为小说,它是虚构而不是实指。

耶鲁公开课 - 文学理论导论课程节选

Each firm will make its own investment decisions and has no obligation to invest.

FORBES: Google Ventures Launches Glass Collective With Andreessen, Kleiner Perkins, To Fund Google Glass Startups

Francis had always felt that the Franciscans had no obligation to be like any other group.

NEWYORKER: Rich Man, Poor Man

ViaSat undertakes no obligation to update or revise any forward-looking statements for any reason.

ENGADGET: ViaSat-1 sends its first words through the stratosphere to cooing stateside relatives