showing that you are feeling confident and pleased with yourself 得意扬扬的；无忧无虑的；神气活现的 a jaunty smile 得意扬扬的微笑 a hat set at a jaunty angle 一顶帽子
lively 轻松活泼的 a jaunty tune 轻松活泼的曲子
Word Originmid 17th cent. (in the sense ‘well-bred, genteel’): from French gentil ‘high-born, noble’ (see gentle, genteel).