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I learn from my reference book that those words have the same meaning in some sense. Could you give me some examples of each word so that I am able to chose the exact word when doing the translation practice.

Thanks.
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Not possible in this space. The words are all quite general, are used in many contexts, and are indeed often synonymous. Your best bet is to peruse instances of its use in a reputable [url=http://www.americancorpus.org /]CORPUS[/url].