Make sure you keep within the new lower speed limit.

请一定不要超过新的限速.

《简明英汉词典》

Please keep within hearing ( distance ), ie stay near enough to hear.

请保持在听得见的距离内.

辞典例句

Keep within the limits of the national economic strength.

控制在国民经济可以承受的范围之内.

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Don't drive so fast! You must keep within the speed limit.

别开得那么快! 你必须把速度限制在规定的范围内.

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Please keep within hearing distance.

请保持在听得见的距离之内.

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You must keep within your income.

你应当量入为出.

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I have to keep within my budget.

我的意思是得控制在预算之内.

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It is difficult to exercise self - control, that is, difficult to keep within limit.

自己很难控制, 即很难控制在一定的范围之中.

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