grapevine
noun [ C ] uk/ˈɡreɪp.vaɪn/ us/ˈɡreɪp.vaɪn/ (also vine)
葡萄藤;葡萄属植物
a type of climbing plant on which grapes grow
Idiom
hear (something) through/on the grapevineidiom 从传闻中听说，通过道听途说获悉，听小道消息知道
to hear news from someone who heard the news from someone else
I heard through the grapevine that he was leaving - is it true? 我听到传闻说他要离开了——是真的吗？