"There will be difficult days ahead." "We will adapt,we will persist, and I have no doubt that together with our Afghan and international partners, we will succeed in Afghanistan."

VOA: standard.2010.05.22

That's a very difficult challenge in the Senate right now. It's not looking very good these days,

目前这在参议院是很大的挑战。现今的形势看上去不容乐观。

对全球变暖的政策 - SpeakingMax英语口语达人

"We will have difficult days like yesterday. It is inevitable.

VOA: standard.2010.05.19

We slept on the hard ground, ate canned beans from cold metal plates and spent our days in the difficult search for gold.

VOA: special.2009.07.04

"This was a difficult scene for me and I had bad days afterwards, nightmares,stress.

VOA: standard.2010.07.01