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    大丈夫だよ (daijoubu da yo) - It's alright (casual reassurance)

    Grammar & Usage

    fixed expression
    casual

    How it works

    This phrase combines the adjective/na-adjective '大丈夫' (daijoubu - safe, alright, okay) with the casual copula 'だ' (da) and the casual sentence-ending particle 'よ' (yo), which adds emphasis, conviction, or informs the listener of something new. It functions as a complete statement of reassurance.

    Sample sentences

    気にしないで、大丈夫だよ。

    Don't worry about it, it's alright.

    もう痛くないよ、大丈夫だよ。

    It doesn't hurt anymore, it's okay.

    遅れても大丈夫だよ、ゆっくり来てね。

    It's fine even if you're late, take your time coming.

    Quick facts

    politeness:The use of 'だ' (da) and 'よ' (yo) marks this phrase as distinctly casual. For a more polite version, '大丈夫です' (daijoubu desu) or '大丈夫ですよ' (daijoubu desu yo) would be used.
    gender_nuance:While generally neutral, 'よ' can sometimes be perceived as slightly more assertive or direct, but it is very common across genders in casual speech for reassurance.
    meaning_nuance:Depending on context and intonation, '大丈夫' can also mean 'I'm fine' (when asked 'Are you okay?') or 'No thank you' (when offered something).

    Mnemonic

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    Example

    気にしないで、大丈夫だよ。

    Don't worry about it, it's alright.

    もう痛くないよ、大丈夫だよ。

    It doesn't hurt anymore, it's okay.

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