Our contemporary quest for happiness has shriveled to a hunt for bliss——a life protected from bad feelings, free from pain and confusion.

【翻译】我们当代对幸福的追求已经蜕变为对享乐的追求——一种没有不良情绪影响、一种没有痛苦和困惑而干扰的生活。

【分析】

Our contemporary quest for happiness （主语）has shriveled （谓语）to a hunt for bliss（结果状语）——a life （bliss 的同位语）protected from bad feelings, free from pain and confusion.（life 的定语）