Gaiety is a feeling, attitude, or atmosphere of liveliness and fun.
例句
Music rang out adding to the gaiety and life of the market.音樂響起來了，給市場增添了一份快樂和生機。
英漢詞典釋義
n.
快樂,高興;作樂,歡樂
Her manner professed a gaiety that she did not feel.她的神態(tài)顯出一種她并未實際感受到的快樂。She felt,without knowing why,that the gaiety was assumed.不知為什么她覺得這種快樂是裝出來的。