來路不明 Save Sign in to save words Simplified: 来路不明 láilùbùmíng ㄌㄞˊ ㄌㄨˋ ㄅㄨˋ ㄇㄧㄥˊ unidentified origin no-one knows where it comes from of dubious background Character by character 來(lái)come 路(lù)surname Lu 不(bù)no 明(míng)Ming Dynasty A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0