Definition
Not relevant or pertinent to the matter at hand; not the main issue.
离题的
The reason for your lateness is beside the point; the point is that you are here now, and we must begin.
你迟到的原因不重要；重要的是你现在在这里，我们必须开始了。
Whether we like the restaurant or not is beside the point, as we have to get the contract signed by next week.
我们是否喜欢这家餐厅并不重要，因为我们必须在下周之前签署合同。
I don't think his position is beside the point, the point is that his opinion is valuable.
我不认为他的立场不重要，重要的是他的意见很有价值。