既き成せい概がい念ねん

noun

stereotype; preconceived idea; preconceived notion

Refers to a fixed, conventional idea or image that people hold, often without questioning it. Common in discussions about breaking free from old ways of thinking.

• 既き成せい概がい念ねんにとらわれずに新あたらしい方ほう法ほうを考かんがえよう。

  Let's think of a new method without being bound by preconceived ideas.

• 彼かれの提てい案あんは既き成せい概がい念ねんを打うち破やぶるものだった。

  His proposal broke through stereotypes.