It won't do you any good.

这样于你自己不利.

《现代汉英综合大词典》

I'm afraid it won't do.

恐怕不成.

《现代汉英综合大词典》

It won't do to hedge your pupils in with a thousand dos and don'ts.

用无数清规戒律束缚学生是不行的.

《简明英汉词典》

No one to speak to all day! It won't do, I'm not made of wood.

一天到晚连句话都没地方说去, 不行, 我不是木头人.

汉英文学 - 骆驼祥子

It won't do to let him take that job. He has sticky fingers.

让他干那工作可不行, 他的手可不老实了.

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It won't do to fence your pupils around with a thousand dos and don'ts.

用无数清规戒律去束缚学生是不行的.

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It won't do to be late.

迟到可不行.

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It won't do any harm, the anesthetic.

这种麻药不会有任何害处.

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It won't do to risk a fainting fit.

不要冒昏倒的危险去做.

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It won't do to neglect this work.

忽视这项工作是不行的.

《简明英汉词典》

If Sun Jou - chia has a son in a hurry, it won't do her any good. "

孙柔嘉赶养个儿子也没用. ”

汉英文学 - 围城

Make the announcement later when it won't do any harm.

晚些时候宣布,将不会有什么坏处.

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It won't do. Please try again.

这样不行, 你再看看.

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