小道消息
news on (or through)the grapevine;back-alley news;hearsay; rumor
我聽～說你提升了。I heard on the grapevine that you’ve been promoted./我們不能根據(jù)～或猜測作決定。We must not make a decision based on hearsay or guess-work.
小道消息xiǎo dào xiāo xī
比喻從非正式渠道聽來的消息。hearsay, grapevine gossip