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know chalk from cheese

  • 精明，有判断力：指能够区分事物的真伪、好坏或者能够辨别不同的品质或特点。

双语例句

  1. Such a young child does not know chalk from cheese.
    这样年幼的孩子是不辨是非的。
  2. In fact, he often changes girlfriend, for he doesn't know chalk from cheese.
    事实上，他经常换女友，因为他不知好歹。

网络短语

  • not know chalk from cheese
    不辨黑白