AnalyzerSentence analysis5SpansSentence包丁を磨石で研ぐ。1000 character limitAnalyzeSentence包ほう丁ちょうを磨とぎ石いしで研とぐ。Span Details包ほう丁ちょうkitchen knife; cook's knife; cooking; food preparationnounをobject markergrammar磨とぎ石いしwhetstone; grindstonenounでlocation, means, or scope markergrammar研とぐ。sharpen; hone; whet; grind; wash rice; scour; polish; burnishgodan verb