Have you ever been asked, “Why do you like Japan so much?”
And you wanted to give a clear reason, something like:

“Because the food is delicious!” 
“Because I like their culture!” 
“Because the people are kind!” 

In Japanese, when you want to clearly give the reason, you can use なぜなら (nazenara).
It’s like saying “the reason is because…” in English.

It’s perfect when you want your explanation to feel strong and clear.
Plus, by adding reasons, you can make your conversations longer and go a little deeper.

Let’s dive in and see how to use it!

から (kara)

→ very common, used in everyday conversation.

今日は行きません。つかれているからです。
kyou ha ikimasen. Tsukarete iru kara desu.
I won’t go today, because I’m tired. 

ので (node)

→ also means “because,” but sounds a little softer and more polite than から.

雨なので、外出しません。
ame na node, gaishutsu shimasen.
Because it’s raining, I won’t go out. 

ため (tame)

→ more formal, often used in writing or formal speech.

工事のため、この道は通行止めです。
kouji no tame, kono michi ha tsuukoudome desu.
Because of construction, this road is closed. 

💡 Tips:

• なぜなら = emphasizes the reason clearly, often followed by からです.
• から = casual, natural for daily talk.
• ので = polite, softer tone.
• ため = formal, used in announcements, signs, or official writing. 

なぜなら often appears together with から or ため at the end of the sentence that gives the reason.
[ Statement ]。なぜなら [ Reason / Explanation ] からです。

日本語を勉強しています。なぜなら、アニメを字幕なしで楽しみたいからです。
nihongo wo benkyou shite imasu. Nazenara, anime wo jimaku nashi de tanoshimitai kara desu.
I’m studying Japanese. The reason is because I want to enjoy anime without subtitles.

よく運動しています。なぜなら、けんこうを大切にしているからです。
yoku undou shite imasu. Nazenara, kenkou wo taisetsu ni shite iru kara desu.
I exercise often. The reason is because I value my health.

この町が好きです。なぜなら、自然が豊かで落ち着くからです。
kono machi ga suki desu. Nazenara, shizen ga yutaka de ochitsuku kara desu.
I like this town. The reason is because it’s full of nature and relaxing.

毎朝コーヒーを飲みます。なぜなら、ねむけを覚ましたいからです。
maiasa kohii wo nomimasu. Nazenara, nemuke o samashitai kara desu.
I drink coffee every morning. The reason is because I want to wake up.

日本に行きたいです。なぜなら、本場のおすしをカウンターで食べてみたいからです。
nihon ni ikitai desu. Nazenara, honba no osushi wo kauntaa de tabete mitai kara desu.
I want to go to Japan. The reason is because I want to try authentic sushi at the counter.

日本語の勉強が楽しいです。なぜなら、ひかり先生がおもしろいからです。
nihongo no benkyou ga tanoshii desu. Nazenara, Hikari sensei ga omoshiroi kara desu.
Studying Japanese is fun. The reason is because Hikari-sensei is funny. 

• Grammar Point: なぜなら (nazenara)
• JLPT Level: N3
• Meaning: Because, the reason is ~
• Quick Explanation: なぜなら is used when you want to clearly state the reason for something.
  

So that’s how we use なぜなら in Japanese!

It’s the perfect phrase when you want to clearly explain your reasons and make your Japanese sound more logical.

I like social media and blogs. なぜなら they’re tools that let me connect with YOU!

Now it’s your turn: try making your own sentences with なぜなら and see how it makes your explanations shine.

Your Sensei,

Hikari 👩🏻‍🏫

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