a blessing in disguise

idiomPart ofblessing

a blessing in disguise — idiom

1. an event that first looks unlucky but later helps you.

1.idiom
Definition

an event that first looks unlucky but later helps you.

Example

Missing the last bus was a blessing in disguise, because Mei met her future boss while walking home.

The apartment leak seemed awful, but it was a blessing in disguise after the mold was found.