"You are bad" is a simple way to say it in Engpsh.
This phrase has a straightforward meaning, indicating that the person being referred to has done something wrong or made a mistake. It can be used in a variety of contexts, such as when correcting someone's behavior or when expressing disappointment.
Here are a few example sentences:
"You're bad for not doing your homework."
"Why are you being so bad today?"
"I can't bepeve you did that, you're so bad."
翻译如下：
"你不做作业很不好。"
"为什么今天你这么不好？"
"我简直不敢相信你做了那件事，你真是太不好了。"