我将用生命保护你英语怎么说

I will devote my life to protecting you !

I will protect you depends on my life.

I will protect you with my life!

I will use my life to protect you !

I will protect you with all of my life.
感觉有点像汉语式英语，最好找一下有没有现成的俗语，或是找英语方面的专业人士询问一下。