as sharp as a marble的意思|示意
美 / æz ʃɑ:p æz ə ˈmɑ:bl /
英 / æz ʃɑrp æz e ˈmɑrbəl /
十分枯燥无味（非正式）
as sharp as a marble相关例句
His witticism was as sharp as a marble.
他的打趣话十分枯燥无味.
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