AnalyzerSentence analysis4SpansSentence油断は大敵だ。1000 character limitAnalyzeSentence油ゆ断だんは大たい敵てきだ。Span Details油ゆ断だんnegligence; carelessness; inattention; unpreparednessnoun, suru verbはtopic markergrammar大たい敵てきpowerful enemy; great rival; archenemynounだ。plain copulagrammar