Though I am trying my best, I am not able to equal to the tough task.

尽管我已经尽了最大努力，但我还是无法胜任这个艰难的任务。

youdao

It was a tough task.

那是一件困难的任务。

youdao

Persuading the world to eat less meat looks like a tough task.

说服全世界少吃肉看起来是一项艰难的任务。

youdao

And let us be honest, this is a tough task. But this will be Jim's core mission, he is eminently qualified, and he has my complete confidence and support."

VOA: standard.2010.06.05

When Congress returns in the new year, negotiators for the House and Senate will begin the tough task of merging their different versions of health-care reform legislation into one bill the president can sign.

VOA: standard.2009.12.27

Chelsea manager Avram Grant believes his team face a tough task to reach the final.

BBC: Arsenal & Spurs face cup showdown

But Benitez faces a tough task following the flamboyant Mourinho at the San Siro.

BBC: Rafael Benitez named as new coach of Inter Milan

But it still faces a tough task to restore its advantage over other banks.

ECONOMIST: American regulators threaten an emerging-markets bank