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

This project is a hard task.

这个工程是一项艰巨的任务。

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

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

Finding a state willing to prosecute the pirates is a hard task, forcing EU-NAVFOR to send them back to Somalia.

FORBES: Pirates Selling Shares As Piracy Hits All Time High