turn a blind eye
睜一只眼閉一只眼
口語·表示故意忽略
英文釋義
to ignore or pretend not to see something
例句
The teacher turned a blind eye to the student's late homework.
典故來源
源于18世紀英國海軍將領納爾遜在戰斗中故意無視信號旗,假裝沒看見。