我试试吧：your safe and sound is my sunshine, your happness is my destination.
上面的翻译过来就是：你的安好是我的晴天,你的幸福是我的终点,和你的本意有点区别,如果直译的话会有点奇怪.
直译是：If you are well, it's sunny. If you have happiness, it's the end.
才疏学浅,希望能帮上忙~~