lay down your life
US /leɪ daʊn jʊər laɪf/
UK /leɪ daʊn jʊər laɪf/

1.
donner sa vie, sacrifier sa vie
to sacrifice one's life for someone or something
:
•
He was willing to lay down his life for his country.
Il était prêt à donner sa vie pour son pays.
•
A mother would often lay down her life for her children.
Une mère donnerait souvent sa vie pour ses enfants.