While telling someone to "let them know if there's anything you can do" is generous, helping 3 them and offering help in specific ways makes them more likely to take you up on your offer.

虽然告诉某人“让他们知道你能做什么”很慷慨，但帮助他们，并以具体的方式提供帮助，会令他们更有可能接受你的帮助。

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When we are small, the teacher told us that we should help others, offering help to someone who is in need of help is Chinese tradition.

当我们还小的时候，老师告诉我们应该要帮助他人，帮助那些需要帮助的人是中国的传统。

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