动词短语
中文翻译：做一件好事
同义词：
['perform a kindness', 'do a favor', 'render a service']
例句：
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1. Please do a good turn for me when you have the chance.
当你有机会时，请帮我一个忙。
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2. She did a good turn by helping her neighbor with their yard work.
她帮助邻居打理院子，做了一件好事。
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3. He always does a good turn to those in need.
他总是对需要帮助的人伸出援手。