I don't want to go against my father's wishes, but I am going to drop out of school to travel around the world.

虽然我不想违背我父亲的心愿，但我打算办理休学去环游世界。

go against　违背

解说：against 原本就有「相反」的意思，go against 则可表示「违背；违反」的意思。