happy的名词形式是happiness
happy为形容词,没有动词形式
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
比较级: happier
最高级: happiest
派生词: happiness n.
She had a happy childhood.
她有一个幸福的`童年。
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。