Is that legal and they cause a lot of social problem or something?

這樣做合法嗎？它們會造成很多社會問題嗎？

Well, I imagine they would.

我想他們會的。

The trick in Trick or Treat is mostly just a playful part of the tradition.

不給糖就搗蛋 "中的 "搗蛋 "主要是傳統中的一個遊戲環節。

In reality, children rarely play tricks if they don't get candy.

實際上，如果沒有糖果，孩子們很少會耍花招。

Instead, they simply move on to the next house.

相反，他們只是換了一棟房子。

It's more about the fun of dressing up and collecting treats than causing any trouble.

這更多的是為了享受裝扮和收集食物的樂趣，而不是製造麻煩。

As for legality, playing actual tricks, especially those that cause damage or harm, would indeed be illegal and is not condoned as part of Halloween celebrations.

至於合法性，玩實際的把戲，特別是那些會造成損害或傷害的把戲，確實是非法的，而且也不會被允許作為萬聖節慶祝活動的一部分。