lay down your life
lay down (one's) life
To sacrifice one's life (for someone or something); to die (for a purpose). Our soldiers are out there laying down their lives for our freedom, and we should show our support. To lay down one's life to save a stranger is the ultimate sacrifice.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
lay down your ˈlife (for somebody/something)(literary) die for your country, a cause etc: Thousands of young men laid down their lives in the war so that we could live in freedom.
Farlex Partner Idioms Dictionary © Farlex 2017