AnalyzerSentence analysis3SpansSentence包丁を研ぐ。1000 character limitAnalyzeSentence包ほう丁ちょうを研とぐ。Span Details包ほう丁ちょうkitchen knife; cook's knife; cooking; food preparationnounをobject markergrammar研とぐ。sharpen; hone; whet; grind; wash rice; scour; polish; burnishgodan verb