AnalyzerSentence analysis5SpansSentenceこの難問には歯が立たない。1000 character limitAnalyzeSentenceこの難なん問もんには歯はが立たたない。Span Detailsこのthispre-noun adjective難なん問もんdifficult question; difficult problem; perplexitynoun, suru verbReport an issue with this page