不挑明消息来源 坊间传言 道听途说英文怎么说

道听途说
[词典] hearsay; gossip; rumour;
[例句]东张西望，道听途说，绝然得不到什么完全的知识。
Certainly, no all-round knowledge can be acquired merely by glancing this way and that and relying on hearsay