knife edges 中文意思是什麼
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As no one had a knife, he pulled the rubber from his squeegee and used its metal edges to begin cutting
由於沒有人帶刀，於是他就剝下橡皮清潔刷上的橡膠磙子，開始用它的金屬刃口劃開墻體。 -
The edges of her conduct were so very clear-cut that for susceptible persons it sometimes had a knife-like effect.
她的行為總是鋒芒畢露，稜角鮮明，這對那些敏感的人，有時難免傷害感情。
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