And delivering spare parts becomes a major challenge.

提供必须物品会变艰巨的挑战。

This would be a very hard job!

这会是极为艰巨的任务！

He has a big task ahead of him.

他面临着艰巨的任务。

Really is a very very tough challenge.

真的是个非常非常艰巨的挑战。

That is a lot of work – for the dog, that is.

对狗来说，这是艰巨的任务。

Being a sushi chef is tough work.

为名司厨师是艰巨的工作。

An effort of this order will be a massive undertaking.

按照这个方向努力是艰巨的任务。

Digesting plant fibres is the hardest job.

消化植物纤维是样艰巨的任务。

It's a huge responsibility on his teenage shoulders.

他稚幼的双肩扛起了无比艰巨的责任。

That presents a daunting problem for Mr. Sunak.

这给苏来了艰巨的难题。

Meeting that demand is a difficult task.

满足上述的用水需求是个艰巨的任务。

But convincing small firms to grow is a tough task.

但是说服小公司去发展是艰巨的任务。

Helping them will be a monumental task.

为他们提供援助将是艰巨的任务。

One of the hardest tasks was pulling up tree stumps from the ground.

最艰巨的任务之就是从地面上拉起树桩。

The coalition had the long and difficult task of putting those fires out.

联盟承担着扑灭大火的漫长而艰巨的任务。

But it's an incredibly daunting task.

但这是极其艰巨的任务。

The idiom to have your work cut out for you describes exactly this situation.

面临着艰巨的任务这个习语正是描述了这种情况。

But Miss Barker managed her arduous task well.

但巴小姐很好地完了这个艰巨的任务。

Innovating for the future, travel is a huge task and will take time.

创新未来的旅游是艰巨的任务，这需要时间。

It's an enormously complex and difficult task.

而这是非常复杂且十分艰巨的任务。