要礼貌地问某人他是否需要帮助或者建议，你可以说：Can I help you？ (我能帮忙吗？)
To ask someone politely if they want help or assistance or advice, you can say: Can I help you?
我礼貌地请求他，不想让他问更多的问题了。
Please, I beg quietly, don't let him ask any more questions.
形而上学家已被礼貌地送走，并直言相告他问的是无聊的问题，我们根本就不需要他。
The metaphysician has been politely bowed out and informed that he is asking silly questions and anyway we can do quite well without him.
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