He really must be careful about thinking aloud. Who knew what he might say?

他真地得对自言自语小心点。谁知道他可能会说什么？

《柯林斯英汉双解大词典》

After a little bit of careful thinking, parents will realize that watching TV after school is a good way for students to relax.

稍微仔细思考一下，父母就会意识到放学后看电视是学生放松的好方法。

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After careful planning and some thinking out of the box, the scheme was given the go-ahead and, in 2008, 162 handicap-accessible homes were built.

经过详细规划和统筹考虑，该工程获准实施，并于2008年建成162套残疾人住房。

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Even though we have a noun, the smile, that if you're not careful might lull you into thinking there must be a thing, the smile.

即使我们有笑容这个名词,如果你不够谨慎,可能会想当然地认为,一定存在着笑容这一事物

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Good science requires clear thinking, careful reasoning, and keeping in mind what is plausible.

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Because it means that strategic thinking and careful resource allocation often go unrewarded, as a quirk of terrain breaks up a carefully planned manoeuvre.

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Other internet companies, like Amazon.com, eBay, or even Lastminute.com, have shown that longer-term thinking and careful management can produce some profit, and enough growth to keep investors on board.

BBC: Screenshot of AOL.com