hear it on the grapevine
"從傳言中聽到" (從他人的傳聞中得知某事情)
口語·表示傳聞消息
英文釋義
to learn or receive information from unofficial or informal sources
例句
I heard it on the grapevine that they're getting married.
典故來源
源自19世紀美國電報線像葡萄藤般交織，暗示信息通過非正式渠道傳播。