一定要你幸福 的英语 怎么说

By all means must you be happy.

都是扯淡，人家问的是“一定要你幸福”，是没有主语的，在英文翻译里，有无主语翻译有时侯完全是两回事情，只有专家答对By all means must you be happy.

I'm sure to make you happy in the future.

I promise to make you happy.

专家答对，赏分！

I'm assured of your happiness.