Japanese meaning of 馬耳東風

Meaning:

When advice, warnings, or appeals are ignored, having no effect on the listener, similar to speaking to someone who doesn't care or pay attention.

Cultural Context:

Comes from a Chinese poem likening ignored words to the east wind blowing past a horse’s ear. In Japanese, used to describe indifference to others’ opinions.

他人からの忠告や助言を全く聞き入れず、無視すること。努力しても意味が伝わらず、むなしく終わる例えです。
中国の詩文に由来し、馬の耳を東風が通り過ぎるように言葉を聞き流すことの比喩。日本語では他人の意見への無関心を表す。