It's going to be a difficult job but I know she will rise to the challenge.

这会是一件艰难的工作，但我知道她会迎接挑战的。

youdao

My eyes seem to have emerged a new runway, maybe I will fall on this track, but I will still stubbornly stand up, tenaciously to a difficult challenge.

我的眼前仿佛又出现了一条新的跑道，也许我还会在这条跑道上跌倒，但我仍会顽强地站起来，顽强地向重重困难挑战。

youdao

The one answer I will not settle for is the idea that this challenge is too big and too difficult to meet.

FORBES: Obama's Oil Spill Speech: Full Text

The one answer I will not settle for is the idea that this challenge is somehow too big and too difficult to meet.

WHITEHOUSE: President Obama��s Oval Office Address on BP Oil Spill & Energy | The White House