chalk

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【释义】：

n．❶ 白垩．❷ 粉笔：a piece of chalk－支粉笔．

△by a long chalk(差得)很远：This article does not Come up to your sample，not by a long chalk．这货物赶不上样品，而且差得很远．as like as chalk and cheese根本不同．

－vt．用粉笔写，画作记号；用白垩涂：chalk up用粉笔记下(分数、帐目等)．chalk sth．up公告，公布．chalk sth．out设计，制定．chalk·y a．白垩的，像白垩的．