快乐的名词英文happiness;
happy
adj.感到(或显得)快乐的;高兴的;给予(或带来)快乐的;使人高兴的;幸福的;表示祝愿,如Happy Birthday生日快乐、Happy New Year新年好等;

(图片来自网络侵删)
比较级: happier;最高级: happiest
相关介绍The happy couple were toasted in champagne.
人们举起香槟酒为这对幸福的伉俪干杯。
Main Street won't be happy with this new program.
中产阶级不会对这个新计划感到高兴的。
Happy New Year to one and all!
祝各位新年快乐!