jollity

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++jol·li·ty /ˈdʒɒləti $ ˈdʒɑː-/ (also jollities [plural]) noun [uncountable] formal  when people are happy and enjoying themselves 欢乐，欢闹 a night of riotous jollity 一夜的纵情欢闹

Examples from the Corpus

jollity• The mood of enforced jollity is simply inappropriate for the Mahler Fifth.• And yet an amazing amount of good feeling, and even jollity, cropped out between these opposed pickets at times.• Much laughter, jollity, and anticipation of a successful 12 months ahead with a government on the run.• Our prank became clear, but it had set the tone for an evening of memorable jollity.• It is another night of jollity in our frozen village.• It was a memorable night of riotous jollity.• But this occupied little time; and then, business over, there followed an hour of unrestrained jollity.

jol·li·ty nounChineseSyllable  

Corpus themselves happy people are when enjoying and

jollity
jol‧li‧ty /ˈdʒɒləti, ˈdʒɒlɪti $ ˈdʒɑː-/ (also jollities [plural]) noun [uncountable] formal
when people are happy and enjoying themselves:
    a night of riotous jollity