People should be careful about their possessions and not leave them lying around.

人们应该看管好自己的物品，不要到处乱放。

《柯林斯英汉双解大词典》

I think you should be careful about talking of the rebels as heroes.

我认为你还是当心点好，别把叛乱分子说成是英雄。

《柯林斯英汉双解大词典》

There should be careful consideration about the use of such toxic chemicals.

应有对这些有毒化学品的使用的慎重考虑。

《柯林斯英汉双解大词典》

Great powers should be careful about starting, but once they start they should be relentless and implacable about winning."

VOA: standard.2010.07.30

I think that we should be very careful not to let that deflect us from the recognition that this is important technology and that it's not the technology that's at fault; we have to get it right and then it will be powerful.

但我认为,我们应该警惕,不要因此对金融产生误解,事实上金融是门重要的应用技术,而且这一切并不是科技本身的错,我们应该完善这项技术,使其发挥正面作用

耶鲁公开课 - 金融市场课程节选

I think If you are careful and you don't get too drunk, you should be fine.

我想如果你很小心，而且你别喝太醉就没事。

伦敦的夜生活 - SpeakingMax英语口语达人

One kind of taxpayer who should be careful, says Joan Vines of accountants Grant Thornton in Washington, D.

FORBES: Rothify now

"We should be careful the pair could be quite volatile once it breaches this mark, " he said.

WSJ: Yen Flirts With 100 After G-20 Meeting

Of course, you should be careful not to overly rely on e-mail and the phone.

FORBES: Is This Meeting Necessary?