我觉得这对国务卿是一个巨大挑战。

I would think that it's a big challenge that the secretary faces.

youdao

但应对气候变化这样一个巨大挑战，仅有开明的公共政策是不够的。

But meeting a challenge as big as climate change will require more than just enlightened public policy.

youdao

当然，区分“正常”的愤怒情绪和过度愤怒情绪是一个巨大挑战。

Differentiating "normal" anger from excessive anger is challenging, of course.

youdao