preconceived

1. ADJ If you have preconceived ideas about something, you have already formed an opinion about it before you have enough information or experience. (观点)事先形成的; 先入为主的[ADJ n]

We all start with preconceived notions of what we want from life. 我们开始时都对自己想从生活中获得什么抱有一些预想。