Japanese by Example
Learning through examples in manga

Don't leave your vegetables 〜てはだめだ

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During breakfast, Cocoa sees Chino avoiding the vegetable on her plate.

ココア:
「あっ チノちゃんアスパラ(のこ)しちゃだめだよ」
"Ah, Chino, you mustn't leave your asparagus."