CEDICT
unheeded advice; words that one doesn't pay much attention to
Wiktionary
耳边的风。语本汉.赵晔《吴越春秋.吴王寿梦传》:「富贵之于我,如秋风之过耳。」后比喻对所听到的事毫不关心。唐.杜荀鹤〈题赠兜率寺闲上人院〉诗:「百岁有涯头上雪,万般无染耳边风。」也作「耳旁风」。
重編國語辭典
classifiers: 陣, 絲