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How to Say ‘Oh, really?’ in Japanese

あら、そうなの?

ara sou na n

[ah-rah soh nah noh]

💬 Usage Tip: [そうなの?] is an informal way to react to new information: literally "is that so?" You can make it more polite as [そうなんですか?] for a landlord, coworker, or stranger.

Phrase Breakdown

あら

ara

[ah-rah]

oh my; oh dear

あら is a mild, surprised reaction.

Example

あら、そうなの?知りませんでした。

Oh, is that so? I didn’t know.

そうなの?

sou na n

Is that so?

A casual question meaning 'Is that true?' or 'Really?'

Example

もう帰るの? そうなの?

You're going home already? Is that so?

Words in this phrase

そう

sou

[soh]

really; is that so

そう helps form a casual response of surprise or confirmation.

Example

あら、そうなの?大変ですね。

Oh, really? That’s tough.

な

na

[nah]

copula na

な connects the phrase naturally in casual speech.

Example

あら、そうなの?初めて聞きました。

Oh, is that so? That’s the first I’ve heard of it.

の

n

[noh]

explanatory question particle

の softens and explains the question in casual conversation.

Example

あら、そうなの?びっくりです。

Oh, really? I’m surprised.

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