Japanese with Manga

Don't grow bigger with 〜てはだめだ

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ご注文はうさぎですか? » Volume 1 » Page 82

On the topic of Chino outgrowing Cocoa, Cocoa is fine with it until she learns Chino won’t be like a doting big sister to her.

ココア:
「チノちゃんは(おお)きくなっちゃだめ!」
“You mustn't become bigger.”
Literal: “For Chino, it is no good if you become bigger!”

Note that だ has been dropped from the expression here.

Key Points

  • ちゃん is an affectionate, informal suffix attached to names, used mainly for children, close friends, and family members.
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