grapevine
n. 葡萄树;葡萄藤;小道消息;秘密情报网
复数 grapevines
例句
I heard on the grapevine that you're leaving.
我听小道消息说你要离开。
《牛津词典》
No sooner had he reached the grapevine than--crack!
他刚走到葡萄藤边,啪!
I had heard through the grapevine that he was quite critical of what we were doing.
我已经私下听说他对我们的工作十分挑剔。
《柯林斯英汉双解大词典》