“我想一辈子背着你”英语怎么说？

建议用hold.这样还可以有“抱着”的意思。而且应该是I want to hold you(不是your)all my life.

I wish I could hold you on my back for the rest of my life.

I want to carry you on my back forever

i wanna u to be on my back forever

You want my life back