AnalyzerSentence analysis2SpansSentence何とも言えない表情1000 character limitAnalyzeSentence何なんとも言いえない表ひょう情じょうSpan Details何なんとも言いえないindescribable; inexpressible; unspeakable; indefinable; nobody can tellexpression, i-adjective表ひょう情じょうfacial expression; countenance; look; appearance; expressivenessnoun