She felt happy when she received the good news.
当她收到好消息时，她感到快乐。
The children were happy playing in the park all day.
孩子们整天在公园里玩得很开心。
He was happy to help his friend with the project.
他很高兴帮助朋友完成项目。
Her smile showed how happy she was with the gift.
她的微笑显示了她对礼物有多满意。
We were happy to see the sun after a week of rain.
在经历了一周的雨天后，我们很高兴看到阳光。
They were happy to have finished the marathon.
他们很满意完成了马拉松。
She felt happy when her favorite song played on the radio.
当她最喜欢的歌曲在收音机里播放时，她感到很开心。
The team was happy with their performance in the game.
球队对他们在比赛中的表现感到很满意。
He was happy to finally solve the difficult puzzle.
他很高兴终于解决了这个难题。
We are happy to announce the launch of our new product.
我们很高兴宣布新产品的发布。
happy ending 幸福结局
happy birthday 生日快乐
happy family 幸福家庭
happy-go-lucky 乐天派
happy camper 快乐的人
happy medium 折中办法
比较级: happier;
最高级: happiest;
名词: happiness;
