我决定从此以后不在理你 用英语怎么说？？

i dont give a fuck anymore.这是粗鲁的说法。
i decided to pay no attention to you from now on.这是直译。
希望能帮到你

翻译一个中式的有趣的

i will not bird u我不再鸟你。

I'm determined not to pick you again.

威尼英语网：
From then on, I have decided not to your arguments

I have decided that I will not to talk to you from this point on.

I decide that I won`t talk to you from now on~
应该是这样~