A situation where someone or something appears to help just when one is in trouble; a godsend or a welcome relief in desperate circumstances.
財布を落として途方に暮れていたら、見知らぬ人が拾って交番に届けてくれて、まさに地獄に仏だった。
When I was distraught after losing my wallet, a stranger found it and took it to the police box — it was truly a godsend.
締め切り直前に資料が届いて、プロジェクトチームにとって地獄に仏のような存在だった。
The materials arrived just before the deadline and were like a godsend for the project team.
病気で動けないとき、隣人が買い物をしてくれて地獄に仏のように感じた。
When I was ill and couldn't move, my neighbor did the shopping for me — I felt it was like a godsend.