最佳答案：be happy to do 高兴做某事happy birthday 生日快乐happy ending 美满结局happy anniversary 周年纪念快乐happy dispatch 剖
be happy to do 高兴做某事happy birthday 生日快乐happy ending 美满结局happy anniversary 周年纪念快乐happy dispatch 剖腹自杀.happy family 和睦的家庭.happy hour/time 快乐的时光happy hunting ground 天堂happy medium 折衷办法.
