What does なぜなら mean?
なぜなら is a Japanese noun meaning “because” in English. It is written as なぜなら in hiragana, and nazenara in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
聞いて驚くなよ！今日から俺はピアノを始めるんだ。なぜなら私は音楽の先生になりたいからだ！
Brace yourselves! From today I'm learning the piano. Why? Because I want to become a music teacher!