どこの馬うまの骨ほねじ字FuriganaAudioMeanings1expression, nounperson of unknown background; suspicious strangerderogatoryDerogatory set phrase used to dismiss someone as a nobody from an unknown or untrustworthy background. Often used in the pattern どこの馬の骨かわからない.どこの馬うまの骨ほねかわからない人ひとを家いえに入いれてはいけない。Break this sentence down in the analyzerDon't let someone you don't know from Adam into your house.彼かれはどこの馬うまの骨ほねとも知しれない男おとこと結けっ婚こんするなんて、正しょう気きじゃない。Break this sentence down in the analyzerShe must be crazy to marry a man who's a complete nobody.See all 3 example sentences ›