an opinion formed beforehand without adequate evidence;

"he did not even try to confirm his preconceptions"

when we travel to a foreign country, we carry in our baggage a preconceived idea of people in that country.

我们去国外旅行时带着行李，也带着对那国人的某些先入之见。

there was no preconceived idea of who that was, just the right solution to solve all those problems.

没有其他可以想到的办法了，只有找到合适的办法来解决所有的苦恼！。

as long as we jump out of the preconceived idea can we find that the existence of the thought of aesthetic utopia of the school of frankfurt has its own rationality unique value.

只要跳出原来的成见就可以发现，法兰克福学派的审美乌托邦思想有其存在的合理性及独特的价值和意义。

experienced practitioners will almost always have a preconceived idea of the direction they want to go.

有经验的专业人员几乎总有一些预先形成的关于他们的努力方向的想法。

also it means that you have a preconceived idea about him.

那也意味着你对他已经有了一个预设的想法。

it is also a reflection of the personal encounters and the imaginary preconceived idea of different locations and landscapes.

这其中也反映了个人机遇以及各个不同的，虚幻的预想场地与景观。

in preparation, he reads as much as he can about the person before the sitting, but avoids having a preconceived idea of how he would photograph the subject.

为此，每次拍摄之前，他都阅读大量有关被拍摄人物的资料，但是拍摄时尽量避免对拍摄对象怀有先入之见。

also it means that you have a preconceived idea about him. right?

那也意味着你对他已经有了一个预设的想法。对吗？