It may be bad. It may be able to be improved. But as you start writing, don't start out trying to trick the grader by using fancy words.

可能一开始你使用的词汇和句型都不合适，但是这是可以慢慢提高的。

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Now a research has shown that, for men, just five minutes spent alone with a beautiful stranger causes so much stress, it may be bad for the heart.

现在一项研究显示，男人只要单独与陌生的美女相处五分钟就会产生很大压力，这可能不利于男性的心脏健康。

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While the news, so far, has been good, there may be days ahead when it is bad.

虽然到目前为止都是好消息，但是可能过几天就有坏消息了。

《柯林斯英汉双解大词典》

"Get it down," he said. "Take chances.It may be bad, but that's the only way you can do anything good."

VOA: special.2010.01.03

It may be bad for business, too.

ECONOMIST: Schumpeter

That may be bad luck, but it may also be bad judgment: Astra has failed to buy clever ideas from outside or to concentrate on one or two clinical areas.

ECONOMIST: Too much sex, not enough drugs | The

It may be there was something bad about this compound, or it may be that blocking the gamma secretase enzyme is not a good approach.

FORBES: Eli Lilly Alzheimer's Drug Made Patients Worse