Willful blindness is a legal concept which means, if there's information that you could know and you should know but you somehow manage not to know, the law deems that you're willfully blind.
意図的な無視とは法律用語で 知り得るだけでなく 知るべき情報なのに 知らずに済まそうとする場合 ― 法律上は意図的な無視と見なされます