Transpire through the grapevine
Translation of "transpire through the grapevine" into Russian
transpire through the grapevine
стать известным через слухи
The news of their engagement transpired through the grapevine.
Новость об их помолвке стала известна через слухи.
Definitions
To become known or revealed informally through rumors, gossip, or unofficial channels of communication.