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    Chinese Grammar

    Expressing 'certain' or 'definite' with 一定 (yīdìng)

    Degree & Intensity
    Emphasis

    Structure

    一定 + Noun

    Explanation

    The word 一定 (yīdìng) means 'certain,' 'definite,' or 'a certain degree of.' It is used to indicate something that is assured or to express a fixed but unspecified amount. For example, 一定程度 means 'a certain degree,' suggesting a moderate or expected level of something.

    Examples

    • 你一定要来参加我的生日派对。

      Nǐ yīdìng yào lái cānjiā wǒ de shēngrì pàiduì.

      You must come to my birthday party.

    • 他一定能通过这次考试，他准备得很充分。

      Tā yīdìng néng tōngguò zhè cì kǎoshì, tā zhǔnbèi de hěn chōngfèn.

      He will definitely pass this exam; he's very well prepared.

    • 这件事需要一定的经验才能做好。

      Zhè jiàn shì xūyào yīdìng de jīngyàn cái néng zuò hǎo.

      This task requires a certain amount of experience to do well.

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