对此我已经习惯了。翻译成英文

I've been already accustomed to it.

希望对您有所帮助~！

一楼的答案也是正确的，但我觉得这样说更普遍些。
I am get used to it.
I am get used to this situation.

用英语翻译：我早已习惯早起了”这句话

I'm already used to it.

i'm already used to this