“我特地来向你道别”怎么用英语说啊？

I'm here to say goodbye to you specifically/especially
.
如果是喜欢的人，可以说I'm here to say farewell to you specifically.

I come to say farewell to you especially.

I'm coming to say goodbye to you.

I come here just want to say good-bye.

I designedly come here to say good-bye to you.

I‘M COMING TO SAY GOODBYE FOR YOU ESPECIALLY