JLPT N1

~ではあるまいし

It's not as if; it's not like

Structure

Noun + ではあるまいし

How it works

This expression is used to reject an assumption or to state that a certain behavior is unsuitable because the current situation or person is clearly not what is being implied. It often carries a reprimanding or corrective nuance.

Examples

子供ではあるまいし、自分で決めなさい。

You're not a child, so decide for yourself.

Common mistakes

Using it to state what something is; it's specifically for stating what something is NOT and implying that actions should reflect that.

Tip

Imagine saying "It's not like you're (X), so act accordingly."

More JLPT N1 grammar

See ~ではあるまいし in real Japanese

Import an article and tap any sentence using it. The explanation comes back about the sentence in front of you, not a textbook example.

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