eines besseren belehrt

listen to the pronunciation of eines besseren belehrt
German - English
disabused
past of disabuse
freed of a mistaken or misguided notion; "some people are still not disabused of the old idea that the universe revolves around the Earth"
Wer eine romantische Erzählung erwartet, wird schnell eines Besseren belehrt.
Anyone expecting a romantic story will be quickly disabused of that notion