We started from scratch with no preconceived ideas.我们是毫无成见从零做起的。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得到什么存有一些早已形成的想法。I didn't have any preconceived ideas/notions about/of what the job would be like when I first started.我刚开始做这份工作时,对它没有任何预想。