I don't mind doing you a favour that costs me nothing.

顺水人情不妨做做.

《现代汉英综合大词典》

Would you mind doing a little favor to me?

你介意帮我一点小忙 吗 ?

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No , I am sure he won't mind doing the grunt work.

你怎么肯定他不在意呀?

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He would not mind doing extra work for the students'Union.

在学校里,他常帮助其他同学.

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Would you mind doing me a favour?

4朋友有事相求.

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Would you mind doing sth?

你介意(反对)做某事 吗 ?

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