AnalyzerSentence analysis3SpansSentence無駄な時間1000 character limitAnalyzeSentence無む駄だな時じ間かんSpan Details無む駄だfutility; waste; uselessness; pointlessness; idlenessnoun, na-adjectiveなadnominal form of the copula after a na-adjectivegrammar時じ間かんtime; hour; period; class; lessonnoun