AnalyzerSentence analysis4SpansSentence堅固な要塞だった。1000 character limitAnalyzeSentence堅けん固ごな要よう塞さいだった。Span Details堅けん固ごsolid; strong; firmna-adjective, nounなadnominal form of the copula (after a na-adjective or noun)grammarReport an issue with this page