Definition
Not relevant or pertinent to the matter at hand; not the main issue.
離題的
The reason for your lateness is beside the point; the point is that you are here now, and we must begin.
你遲到的原因不重要；重要的是你現在在這裡，我們必須開始了。
Whether we like the restaurant or not is beside the point, as we have to get the contract signed by next week.
我們是否喜歡這家餐廳並不重要，因為我們必須在下週之前簽署合同。
I don't think his position is beside the point, the point is that his opinion is valuable.
我不認為他的立場不重要，重要的是他的意見很有價值。