My choice of university had nothing to do with my parents' wishes.

had 是动词 have 的过去式，表示"有"或"拥有"。 nothing 是代词，意思是"没有任何事物"或"无关"。 to 在这里是介词，表示方向或关系。 do 是动词，意思是"做"或"与...有关"。 with 是介词，表示"和...一起"或"与...相关"。 had nothing to do with 是一个固定短语，意思是"与...无关"或"与...没有联系"。