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    きっと大丈夫 (kitto daijoubu) - I'm sure it's alright

    Grammar & Usage

    fixed expression
    neutral to casual

    How it works

    This phrase combines the adverb きっと (kitto), meaning 'surely,' 'certainly,' or 'definitely,' with the adjective-like noun 大丈夫 (daijoubu), meaning 'alright,' 'okay,' or 'no problem.' Together, they form an emphatic reassurance.

    Sample sentences

    心配しないで。きっと大丈夫だから。

    Don't worry. I'm sure everything will be alright.

    試験は難しかったけど、きっと大丈夫だよ。

    The exam was difficult, but I'm sure it's okay.

    道に迷っちゃったけど、地図があるからきっと大丈夫。

    We got lost, but since we have a map, I'm sure it'll be alright.

    Quick facts

    nuance:Often used to reassure someone who is worried or anxious. The 'kitto' adds a strong sense of conviction or certainty from the speaker.
    politeness:Generally neutral, can be used in most informal to semi-formal situations. Adding です (desu) after 大丈夫 (daijoubu) would make it more formal (きっと大丈夫です - kitto daijoubu desu).

    Mnemonic

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    Example

    心配しないで。きっと大丈夫だから。

    Don't worry. I'm sure everything will be alright.

    試験は難しかったけど、きっと大丈夫だよ。

    The exam was difficult, but I'm sure it's okay.

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