to hear something through the grapevine
[hear] (through|on)the grapevine
[hear] about {sth} (through|on) the grapevine
to hear something through the grapevine
01
to hear something that was passed from one person to another, like a rumor or gossip
Everyday expression
Idiom
Informal
例子
I heard about his resignation on the grapevine.



























