adj.事先形成的，预想的

His preconceived notions about the project led him to ignore valuable feedback from his team.
他对项目的先入为主的观念使他忽视了团队提供的宝贵反馈。
She had a preconceived idea that all politicians were corrupt, which made it hard for her to trust any of them.
她有一个先入为主的观念，认为所有政客都是腐败的，这使得她很难信任他们中的任何一个人。
The teacher tried to avoid making preconceived judgments about students based on their appearance.
老师试图避免根据学生的外表对他们做出先入为主的判断。
His preconceived bias against modern art prevented him from appreciating the exhibition.
他对现代艺术的先入为主的偏见阻止了他欣赏这个展览。
They entered the negotiations with preconceived positions, which hindered the progress of the talks.
他们带着既定的立场进入谈判，这阻碍了会谈的进展。
It's important to approach new situations without preconceived expectations to remain open-minded.
在面对新情况时，没有先入为主的期望是很重要的，这样才能保持开放的心态。
Her preconceived stereotypes about certain groups of people led to misunderstandings and conflicts.
她对某些人群的先入为主的刻板印象导致了误解和冲突。
He was determined to challenge his own preconceived notions and learn something new from the experience.
他决心挑战自己的先入为主的观念，并从这次经历中学到新的东西。
The company's preconceived strategy for entering the market failed because it didn't consider local conditions.
公司进入市场的既定策略失败了，因为它没有考虑到当地的实际情况。
They had to overcome their preconceived prejudices in order to work effectively as a team.
为了作为一个团队有效地工作，他们不得不克服自己的先入为主的偏见。