右みぎの耳みみから左ひだりの耳みみMeanings1expressionin one ear and out the otherDescribes hearing something but immediately forgetting or ignoring it, as if the sound passes straight through without being retained.彼かれのアドバイスはいつも右みぎの耳みみから左ひだりの耳みみだ。His advice always goes in one ear and out the other.
