Rose is sharp as a tack ; he got 100 every test.

罗斯很聪明, 每次测验都100分.

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The new boy always looks sharp as a tack in class.

那位新来的男孩在班上总是穿得整整齐齐.

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The new boy always looked sharp as a tack in class.

那位新来的男孩在班上总是穿得着整整齐齐.

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That new girl always looks sharp as a tack in class.

那个新来的女生在班上穿得总是很漂亮.

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