不给糖就捣蛋是一个传统的万圣节游戏，孩子们会穿着各种鬼怪服装到邻居家门口要糖果。如果被拒绝，孩子们会表演一些小恶作剧，比如扔扇贝壳或用肥皂涂门把手。

如果你想在英语游戏中玩这种游戏，可以使用以下一些英语词汇和常用表达：

1. Trick or treat! - “不给糖就捣蛋！”

2. Can I have some candy, please? - “我能要些糖果吗？”

3. Thank you! - “谢谢！”

4. Sorry, we don't have any candy left. - “对不起，我们没有糖果了。”

5. That's okay, we'll just play a trick then. - “没关系，那我们就来个捣蛋吧。”

6. What kind of trick should we play? - “我们要玩什么样的恶作剧呢？”

7. Let's put some fake spiders in their mailbox. - “我们把假蜘蛛放到他们的邮箱里吧。”

8. How about ringing their doorbell and running away? - “我们敲门然后跑开，看他们会不会吓一跳？”

9. Let's leave a fake rat on their porch. - “我们在他们门廊上放一只假老鼠吧。”

10. That was fun! Happy Halloween! - “玩得很开心！万圣节快乐！”