전화위복이 · 전화위복을 (often 전화위복이 되다)
a blessing in disguise
Example
그때 회사를 그만둔 것이 오히려 전화위복이 됐어요.
Quitting the company back then actually turned out to be a blessing in disguise.
Word parts
전 turn+화 disaster+위 become+복 blessing
Literally 'turning disaster into blessing'.
Good to know
Not related to 전화 'telephone' (電話).
Related words