I have an obligation to go!

这是我的义务！

youdao

Do I have an obligation to tell him?

我是不是有义务告诉他这件事呢？

youdao

I have an obligation.

我有义务。

youdao

I say it is criminal and we each have an obligation to stop it."

VOA: standard.2010.03.08

And I conclude that we do have an obligation, to give significantly to help the world's poor.

我认为，我们的确有责任，慷慨地捐赠，来帮助世界上的贫困人口。

普林斯顿公开课 - 人性课程节选

But as a Senator, I have an obligation under the Constitution that transcends any sense of personal betrayal I might have.

CNN: Sen. Murray's closed-door impeachment statement

By speaking out, it's probably not a good thing for me personally, but I feel I have an obligation to do it.

WSJ: Donald Trump returns to the 'Apprentice' boardroom

All that being said, I have an obligation to present the full picture and it is clear that among many stockbrokers is a belief that they are unfairly singled out for disclosure where other professionals are not.

FORBES: Unpaid Credit Card Bills Result In Stockbroker's Disqualification