as...as 的意思是

Success was now as exciting as failure had been depressing.

 as...as 的意思是?

这是对二个事物不同性质的的程度作比较。即成功叫人激动的程度和失败叫人感到沮丧的程度是同样的。翻译时要灵活处置。比如可以翻译为：当时的失败让人十分沮丧，而此刻的成功让人很激动。He is as clever as he is diligent. 他既聪明又勤奋。