a zest for life的用法和样例：
- Her zest for life is as great as ever.
- He has a zest for life.
- A winner has a zest for life.
- He's set off for a walk and always, always, I'd run out of the house behind him.He'd had such a zest for life that it broke my heart to see him now, sitting out in the garden, a blanket over his knees, gazing miserably into space.
- Playfulness and a zest for newness infuse your realtionship.
- Every student has a zest for curiosity and life-long learning.