If something is pointless, it has no good reason and is not likely to help. "It is pointless to argue" means the argument will not change anything, so why do it?

If something is pointless如果某件事pointless，it它 has no good reason and is not likely to help沒什麼好理由，也不太可能有幫助。"It is pointless to argue"「It is pointless to argue」 means the argument will not change anything意思是吵架不會改變什麼，so why do it所以何必吵

The point here is not a sharp tip. It is the same point as in "What's the point?" — purpose, use, the reason for bothering.

The point here這裡的point不是 is not a sharp tip指尖尖的東西。It它 is the same point as in "What's the point?"跟"What's the point?"裡的point是同一個意思——purpose, use, the reason for bothering指目的、用處、值不值得做的理由

People use it a lot in everyday talk, a little more strongly than "not useful." Calling a meeting or a film pointless is a blunt, slightly impatient judgement. It is ordinary English, not fancy and not rude on its own, though it can sound sharp if you say it to the person who planned the thing.

People人們 use it a lot in everyday talk在日常對話裡很常用，a little more strongly than "not useful."語氣比"not useful"重一點。Calling a meeting or a film pointless說一場會議或一部電影pointless is a blunt, slightly impatient judgement是一種直白、帶點不耐煩的評語。It它 is ordinary English是普通的英文，not fancy and not rude on its own單獨講不算文雅也不算沒禮貌，though it can sound sharp if you say it to the person who planned the thing不過如果對著策劃這件事的人說，聽起來會有點刺

Though actually, you can also call a stick pointless when it has no sharp end, but that use is rare. Almost every time you hear this word, it is about purpose, not shape.

Though actually不過事實上，you你 can also call a stick pointless when it has no sharp end也可以說一根棍子pointless，指它沒有尖端，but that use is rare不過這種用法很少見。Almost every time you hear this word幾乎每次聽到這個字，it它 is about purpose, not shape講的都是目的，不是形狀