They have a case against their directors for breach of fiduciary duty.

他们对董事们违反信托责任提出诉讼。

《柯林斯英汉双解大词典》

Local councillors have a duty to serve the community.

地方议员有义务为社区服务。

《牛津词典》

We have a duty to care for the refugees.

我们有义务关怀这些难民。

《牛津词典》

But I ask the honorable senators whether their duty will be done by simply limiting themselves to opposing any one or all of the resolutions I have offered."

VOA: special.2009.03.19

Some others If I might have a right to X, do you have a duty to fulfill that for me?

其他的像如果我有某项权利，你有没有义务帮我实现？

普林斯顿公开课 - 人性课程节选

Right. You really have to have a wise passiveness that moment to really think that every piece of art have that kind of duty behind it.

的确，一个人必须要有这种聪悟的被动,才能在那一瞬间理解到每一个艺术作品,背后都有这个的意义。

普林斯顿公开课 - 人性课程节选

In a faith school, where staff are expected to uphold the teachings of the Roman Catholic faith, we have a duty to investigate whether standards have been breached.

BBC: St Boniface's Catholic College head teacher suspended

Grown-ups including politicians may have a duty to offer children reassurance after a trauma, but we cannot pretend that we have the power to wipe bad things out of existence.

FORBES: Using Children To Pass Gun Laws Is Grotesque And Childish

Remember the executive officers have a duty to generate a profit and dividend for the shareholders.

FORBES: Job Killers: A Rogues' Gallery