信函xìnhánTop 20000Meanings1. letter2. piece of correspondence (incl. email)Characters used信letter函envelopeExamples1他tā写xiě了le一yī封fēng信函xìnhán认真rènzhēn地de讨论tǎolùn了le那个nàge事情shìqing。He wrote a letter dealing with the matter in all seriousness.