hearsay; grape-vine gossip ? 你不要相信那些~。You should not believe such grape-vine gossip.
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(cè)作決定。We must not make a decision based on hearsay or guess-work.