He urged the committee to discount any secondhand knowledge or hearsay.
他敦促该委员会不要相信任何二手的消息或传闻。
《柯林斯英汉双解大词典》
2
Certainly, no all-round knowledge can be acquired merely by glancing this way and that and relying on hearsay.
东张西望,道听途说,绝然得不到什么完全的知识。
《新英汉大辞典》
3
Everyone has water for the bottle what delicious of divertive everyplace romantic feeling everyplace general knowledgehearsay hair grumble can infuse here.