I'm happy to see you again after such a long time.
（这么久之后再次见到你，我很开心。）

She looks really happy when she gets the birthday gift.
（当她收到生日礼物时，看起来真的很开心。）

We had a happy time at the amusement park yesterday.
（昨天我们在游乐园度过了一段快乐的时光。）

The children are happy playing with their new toys.
（孩子们开心地玩着他们的新玩具。）

He feels happy because he passed the difficult exam.
（他感到开心，因为他通过了那场很难的考试。）

They got married and lived a happy life together.
（他们结婚了，一起过着幸福的生活。）

My mom is always happy when I help with housework.
（当我帮忙做家务时，我妈妈总是很开心。）

Happy people tend to have a positive attitude towards life.
（快乐的人往往对生活有积极的态度。）

The party was so much fun and everyone seemed happy.
（派对非常有趣，每个人看起来都很开心。）

I hope you have a happy day filled with lots of smiles.
（我希望你有开心的一天，充满笑容。）

She was happy to share her success story with us.
（她很高兴和我们分享她的成功故事。）

The family gathered around the table, having a happy dinner.
（一家人围坐在餐桌旁，开心地吃着晚餐。）

Happy memories of our childhood will always stay with us.
（我们童年的快乐回忆将永远伴随着我们。）

He gave her a bunch of flowers to make her happy.
（他给她一束花让她开心。）

We should try to find ways to make ourselves happy.
（我们应该设法让自己开心。）

The puppy looks happy wagging its tail all the time.
（这只小狗一直摇着尾巴，看起来很开心。）

They were happy to volunteer for the community event.
（他们很高兴为社区活动做志愿者。）

A happy ending makes the whole movie more memorable.
（一个圆满的结局让整部电影更令人难忘。）

I'm extremely happy that my plan worked out well.
（我非常开心我的计划进展顺利。）

Happy moments are what we cherish in our lives.
（快乐的时刻是我们生命中所珍视的。 ）