狗嘴吐不出象牙的英文
直译前面已给出了,Noivorywillcomeofadog'smouth以及Afilthymouthcan'tutterdecentlanguage都可以。其实英文里也有一句类似的俗语:Acrackedbellcanneversoundwell.它的意思就是说:Apersonwhohasnosoundknowledgeofanything,canneverspeakwellofanything.
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狗趴在地上吐舌头英语怎么说