匿名信 nìmíngxìn anonymous letter Origin Definitions Defs Strokes Stroke Words Sentences Sents 2 sentences 今天我收到一封匿名信。 jīntiān wǒ shōu dào yī fēng nìmíngxìn. Today I received an anonymous letter. Source: AI Challenger 2017昨天他收到了一封匿名信。 zuótiān tā shōu dào le yī fēng nìmíngxìn. He received an anonymous letter yesterday. Source: AI Challenger 2017