It is also the most difficult of the four agreements to honor.

这也约定中最难履行的。

A duty is what a person must do because it is right and just.

义务指人因其正当性和道义性而必须履行的责任。

I mean, obviously, it has its practical applications, but I'm just not a fan.

它每人必须履行的义务 我不很上瘾。

The pledge is only one of several that need to be implemented.

而这项承诺只几需要履行的承诺之。

Punishment will be given to those who fail to comply.

未履行规定的官员将被处分。

These commitments which companies will Implement immediately underscore three fundamental principles safety, security, and trust.

这些公司将立即履行的承诺强调了三基本原则：安全、保障和信任。

Because it's not clear what is the requisite binding action and who has performed it.

因为何为必须履行的义务，谁来履行都还无定论。

This created the very strong impression that Trump would follow through with this pledge.

特朗普会履行他的承诺。

I was trying to keep my word this time.

我真的想要履行约定的。

We shall obviously serve your best interests.

我们会履行您的要求。

He failed completely in the performance of his duty.

他完全没有履行他的职责。

Our prayer is that they deliver as per their manifesto.

我们期望他们履行自己的诺言。

Thank you for doing your civic duty.

感谢你履行你的市民义务。

How can I carry what I need to carry without it?

没有这些我如何能履行我的使命?

What lies behind this reluctance to keep to engagements?

这种不愿履行约定的背后什么？

He urged NATO nations to get going on their obligations.

他敦促北约国家履行自己的义务。

He always performs his work with great care.

他直小心翼翼履行他的工作。

The Americans don't always do what they promised far from it.

美国人并不总履行他们的承诺。

But NATO's capacity to fulfill its commitments is another question.

但北约履行承诺的能力又另外问题。

But Tehran doesn't believe that actions have much their words.

但伊朗并不认为欧洲会履行它们的承诺。