介词短语
中文翻译：为任何事
同义词：
['for no reason', 'for nothing']
例句：
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1.I'll do it for you if you promise to pay me back later.
如果你答应以后还我，我就帮你。
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2.She offered to help him for anything he asked.
她愿意为他做任何事情。
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3. He was willing to sacrifice everything for his country.
他愿意为了他的国家牺牲一切。