You say that, but it's not important with だって
Grammar Explanation: That said with だって

Yui hurries to her clubhouse to tell her friends, Kotoha and Sacchan, about a big case: there’s a cat that looks like a panda. However, Sacchan doesn’t engage in the topic and Kotoha continues playing her video game.
- 結衣:
- 「もおマジメに聞
( いてよ 琴葉( もっ」- “Geez, listen seriously. You too, Kotoha.”
- さっちゃん:
- 「だって全然
( 大変( じゃないじゃん」- “You say that, but it's not a big deal at all, right?”
- Literal: “Because it isn't hard at all, is it?”
- “You say that, but it's not a big deal at all, right?”
Key Points
1だって introduces the reason for not caring
- Sacchan uses だって to justify why she is not listening seriously.
2て makes a request
- 聞
( いてよ asks Sacchan and Kotoha to listen. The て-form makes the request without ください, and よ presses the request on the listener.
3全然〜じゃない makes a full negative
- 全然
( 大変( じゃない means “not a big deal at all”. - 全然 expects a negative ending here.
4じゃん seeks agreement casually
- じゃん adds “right?” or “isn’t it?” to her dismissal.
Vocabulary
全然 (Not at all)
全然
( means not at all when used with a negative expression. In casual modern speech, it can also strengthen an affirmative statement to mean completely or entirely.大変 (Serious)
大変
( means serious, terrible, or difficult. As an adverb, it means “very”.
See Also
- Grammar: Marking the topic with は and も
- Grammar: Connecting actions with 〜て・〜で
- Kanji: Wholeness and completion with 全
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