godsend; manna from heaven; Buddha in hell
Idiomatic expression for an unexpected blessing or help in a desperate situation. Often used when someone kind appears when you are in trouble. The literal image is meeting Buddha in hell.
See also: 地獄で仏に会ったよう
When I lost my wallet and was in trouble, a kind person lent me money. It was truly a godsend.
I lost my notes the day before the exam, but a friend gave me a copy. This is exactly what they mean by 'Buddha in hell.'
A Japanese idiom literally meaning 'Buddha in hell,' expressing the idea of finding unexpected salvation or kindness in a dire situation.