für jemanden die Hand ins Feuer legen

to vouch for someone; to stake one's reputation on someone

Origin

From the medieval ordeal by fire, in which one placed a hand in the fire to prove innocence. Linked too to the ancient hero Mucius Scaevola, who held his hand in the fire to prove his courage.

Source

Building blocks

Words in this expression

Grammar that uses this word

Examples

  • Für seine lege ich die .

    I'd vouch for his honesty with my life.