我不明白你为什么要这样对我,你不是认真的请你不要伤害我英语怎么写?

I don't know why you do that to me，but don't hurt me if you are not serious。
I don't understand why you treat me in such way. Please don't hurt me because you are not earnest.
I can not understand why you treat me like this.
You are not serious enough ,please do not hurt me.

I don't understand why you treated me like that. Could you please not hurt me if you are not serious ?

I can not understand why you treat me like this.
You are not serious enough ,please do not hurt me.

I don't understand why you do this to me, you are not serious please don't hurt me

I don't know why you did that to me.If you don't take me seriously please leave me alone.

I don't know why you do that to me，but don't hurt me if you are not serious。这个？

I don't understand why you treat me in such way. Please don't hurt me because you are not earnest.