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？

youdao

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。

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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。

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Bringing it back into an orbit where it can be more easily accessed is a relatively new idea as preconceived notions pointed to setting up an outpost on an asteroid and mining it while it was in orbit.

FORBES: Asteroid Mining Becoming More Of A Reality

"The idea is to strip away any of the preconceived fear factor that classical music can sometimes carry, " says Jonathan Martin, president of the Charlotte Symphony in North Carolina.

WSJ: New World Symphony Tries Remix of Classical Music for iPod Generation