Two elephants lurk in the darkening room .

两个强劲的对手潜伏在昏暗的屋子里。

I gazed into the darkening sky above me , beyond them .

凝视着我头顶上的那片渐渐暗了下来的天空，未理会他们。

Are you using an auto darkening welding helmet ?

你是用自动变暗焊接头盔？

International financial markets tumbled as a darkening global economic outlook and deepening fissures in europe over its debt crisis fueled fears the world economy could slip into a period of prolonged malaise .

国际金融市场暴跌，因为日渐黑暗的国际经济前景与欧洲国家就债务危机不断加深的分歧加剧了投资者的恐惧，他们担心全球经济可能会陷入长期萧条。

What is the cause of skin darkening .

皮肤变黑的原因是什么。

Yet the mood is darkening .

但是这种情况已经转坏。

Bats flitted about in the darkening sky .

蝙蝠在暮色苍茫的天空中飞来飞去.

I had the sense of a sky darkening before a storm .

我感觉到了暴风雨前阴沉的天气。

New signs of a global slowdown are darkening the economic outlook .

全球放缓的新迹象在遮蔽经济前景的光芒。

The darkening outlook means that they may soon have to show fiscal courage too .

尚不明朗的前景意味着，政府们需要尽快在财政上也拿出勇气来。