IDEAa belief or opinion that you have already formed before you know the actual facts, and that may be wrong 事先形成的看法[想法];先入之见,成见
preconception about/of
I had the same preconceptions about life in South Africa that many people have.
我对南非的生活抱有和许多人一样的成见。
Examples from the Corpus
preconception• Edelstein challenges any preconceptions one might have of what a New Jerseysteeldispatcher should look like.• Everyone has certainpreconceptions of what a drug addict is.• There were no thoughts in his mind, no preconceptions, only the demand for information.• But with the new noise come all the old preconceptions and problems of how women present themselves.• I advise anyone to resistpreconceptions.• In this era of fundingcutbacks and academicbraindrains, one must suspendpreconceptions.• Once again it was a case of letting their preconceptions about the world get in the way.• They have this preconception of a gunstoreowner.
had ... preconceptions• Fara had no preconceptions about child care and simply did as she was told.