快乐

merry

happy

joyfulness

joviality

jocundity

riancy

happiness

pleasance

joy (one of the seven modes of emotion)

delight

felicity

frisk

delighted

delectation

gaiety

jamboree

jollity

delightfulness

快乐[kuàilè]

-happy;joyful;cheerful;gay:
asgayasalark;快乐得像只小鸟
agaydance;快乐的舞蹈
短语快乐计hedonometer快乐论hedonism（享乐主义）快乐说hedonism快乐腺{脊椎}hedonicgland快乐主义tragalism;sensualism

她快乐的个性使她成为这个郡最受欢迎的女孩。
Her jocund character made her the most popular girl in the county.

他是个和蔼而快乐的人。
He is a friendly jovial fellow.

财富并不一定带来快乐。
Money doesn't always bring happiness.

忧患和快乐他都经历过。
He has known both grief and happiness.

谨向我们所有的读者敬祝圣诞快乐！
A merry Xmas to all our readers!

祝你生日快乐！
Happy birthday!