He spoke about challenges facing Iraqi forces and American troops in their new mission.

VOA: standard.2010.08.02

I'll then pose some of the questions and the challenges we are facing in the area of access in sustainability.

随后我将提出,在获取稳定这方面,我们所面临的问题和挑战。

麻省理工公开课 - 媒体、教育、市场课程节选

And I want to talk to them about the challenges that we're facing

我想与他们探讨我们所面临的困难，

事业和人生都重要 - SpeakingMax英语口语达人

This is a lot of money,". In announcing their decision, Federal Reserve policy makers noted significant challenges facing the economy, including rising unemployment and declining consumer spending.

VOA: standard.2009.03.18

Bevis says the winter lodge is no more. Children are spread out in their own homes facing all kinds of challenges.

VOA: standard.2009.12.11