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HSK levels

    chā

    chā

    1. difference; discrepancy; (math.) difference (amount remaining after a subtraction)
    2. (literary) a little; somewhat; slightly

    这两个数字的差是五。 zhè liǎng gè shùzì de chā shì wǔ。

    chà

    1. different
    2. wrong; mistaken
    3. to fall short; to lack; not up to standard; inferior
    4. Taiwan pr. [cha1]

    这两个颜色有点儿差。 Zhè liǎng ge yánsè yǒudiǎnr chà.

    chāi

    1. to send (on an errand); (archaic) person sent on such an errand
    2. job; official post

    老板差我去邮局寄包裹。 lǎobǎn chāi wǒ qù yóujú jì bāoguǒ.

    1. used in 參差|参差[cen1 ci1]