Zest is a feeling of pleasure and enthusiasm.
He has a zest for life and a quick intellect.
他对生活充满热情,思维敏捷。
Zest is a quality in an activity or situation which you find exciting.
Live interviews add zest and a touch of the unexpected to any piece of research.
现场采访会为各种调查增添趣味性和些许新奇感。