如何使用 "happy" 造句

1. He made his wife happy .
他带给他妻子快乐。
2. Graduation is a happy day .
毕业是高兴的日子。
3. Happy days are here again .
快乐的日子再次来临。
4. Mr hands cannot be happy .
汉斯不可能高兴起来。
5. Local politicians are not happy .
当地政治家可不怎么高兴。