なぜならなぜならCommon word›JLPTN3›Freq.FrequencyTop 10,000じ字FuriganaAudioMeanings1conjunctionbecause; the reason isusually written using kana aloneUsed at the beginning of a sentence to introduce a reason or explanation, often followed by から or のだ.なぜなら、彼かれはまだ子こ供どもだからです。Break this sentence down in the analyzerBecause he is still a child.私わたしはその計けい画かくに反はん対たいです。なぜなら、費ひ用ようが高たかすぎるからです。Break this sentence down in the analyzerI'm against the plan, because the cost is too high.Usage patternsなぜなら〈事こと〉からだthe reason is that ~ (explains a preceding statement)彼かれは今日きょう休やすんだ。なぜなら熱ねつがあったからだ。Break this sentence down in the analyzerHe took the day off. That's because he had a fever.なぜなら〈事こと〉のだthe reason is that ~ (formal written explanation)この計けい画かくは実じつ現げん不ふ可か能のうだ。なぜなら予よ算さんが足たりないのだ。Break this sentence down in the analyzerThis plan is unworkable, because there isn't enough budget.