jauntiness是什么意思

n.高兴,活泼,洋洋得意

1、With a jauntiness that belied his age, the old man danced across the room.
老人快乐地跳着舞穿过房间，看上去完全不像他的年纪。

2、She faced each day with a jauntiness that was contagious, brightening the mood of everyone around her.
她以一种令人感染的快活态度面对每一天，让身边的每个人的心情变得明朗起来。

快活；活泼；轻松愉快。