It was a hard task to remove the spilled substance.

清除溢出的物质是一项艰巨的任务。

youdao

He was saddled a hard task on.

他被强加了繁重的任务。

youdao

It's a hard task that might take a lifetime.

这并非触手可得，或许需要我一生的努力。

youdao

It is not an easy task,she said. "This is going to be a very hard act for him to pursue, particularly when there is very, very deep hostility to the United States and to the West more generally in Pakistan."

VOA: standard.2010.08.06

When he first moved into management he proved to be an equally hard task-master.

BBC: Time mellows football's hard man

But now they're all working hard, and they realise it's a hard task ahead of them.

BBC: It's great to be back

But as with the other characteristics of this expansion, policymakers have a hard task deciding when that limit is.

ECONOMIST: The great American jobs machine