AnalyzerSentence analysis3SpansSentence「本当?」と首をかしげる1000 character limitAnalyzeSentence「本ほん当とう?」と首くびをかしげるSpan Details「本ほん当とう?」truth; fact; reality; proper; correct; legitimate; genuine; authentic; realnoun, no-adjectiveとquotation, conditional, companion, or and markergrammar首くびをかしげるtilt one's head in puzzlement; be puzzledexpression, verb