We guarantee to fulfil [complete] our mission.

我们保证完成任务。

Long before he became dean, Mr Nohria lamented the failure of business schools to fulfil their mission of turning management into a profession similar to law or medicine.

早在成为院长之前，Nohria对商学院没有完成将管理转变为类似法律或医学成为一门职业而痛心。

All these critiques reflect an idealistic view: that if only the court had more resources, or better prosecutors, it could fulfil its mission of "delivering justice" to victims of atrocity.

所有的指责都反映出理想主义的观点：如果国际刑事法院拥有更多的资源，或是有更优秀的检察官，就应该能够履行为暴行的受害者“伸张正义”的使命。

China will continue to work with every country through aggressive negotiations and co-operation to fulfil our mission of maintaining peace and stability in the region.

中国将继续与所有国家一道，通过积极谈判和合作，来实现我们在该地区保持和平与稳定的目标。

We guarantee to fulfil our mission.

我们保证完成任务。

We can hope that the boy will fulfil his intended mission on Earth, about which neither he nor we can guess yet.

我们希望这个孩子能完成他在地球上的使命，这些难以猜测。