请翻译：去夏威夷结婚是人生中最幸福的事

Getting married in Hawaii is the happiest thing could ever happen in my life.

it is the best thing in my life to have a honeymoon in Hawaii.

It's the happiest thing to go to Hawaii for the wedding.

Being married at Hawaiian is the happiest thing in human life.
应该可以，哈哈

Getting married in Hawaii is the happiest thing that ever happened to me in my life.

Getting married in Hawaii is/will be the happiest thing could ever happen in one's life.