He has this incredible zest for life.

他对生命异常热忱。

One of the nice things about him was his enormous zest for life.

他的优点之一是他是他对生活的巨大热情。

Her zest for life was gone.

她对生活的热情消失了。

" I figure life's a gift and I don't intend on wasting it." This line underlines Jack's zest for life.

6. “我认为生命是一份礼物，我不想浪费它。”这条线强调了杰克对生活的热情。