Trick or treat不请吃就捣蛋。

I dress up as a ghost我穿得像鬼。

What a horrible night!多么可怕的晚上啊!

What are you going to be？你会打扮成什么？

My heart keeps pumping我的心一直跳得厉害。

Are you going to wear a mask？你要带面具吗？

Have a great Halloween愿你有个很棒的万圣节。

Let me give you some candies我给你们些糖果吧。

这些句子涵盖了万圣节的经典活动和表达，适合在节日前后使用。