1. I am so happy to see you again. (我很高兴再次见到你。)
2. She looks very happy in that photo. (她在那张照片里看起来很开心。)
3. The little girl was jumping up and down, she was so happy. (小女孩跳来跳去，她非常开心。)
4. I am happy to hear that you got the job. (听到你找到了工作，我感到很高兴。)
5. The sun was shining, the birds were singing, it was a happy day. (阳光灿烂，鸟儿在歌唱，那是个愉快的日子。)
6. They are a happy couple, always smiling and laughing together. (他们是一对幸福的夫妇，总是在一起笑着。)