プログレッシブ和英中辞典(第4版)の解説
ばじとうふう【馬耳東風】
何を言われても馬耳東風と聞き流す
He turns a deaf ear to whatever he's told.
父親の忠告も息子にはまるで馬耳東風だ
All the father's advice falls on deaf ears so far as his son is concerned.
医者の注意も馬耳東風だった
What the doctor said went in (at) one ear and out (at) the other.