go in one ear and out the other
一耳朵进，一耳朵出，形容听了却不记住或不理解
口语·表达听而不记
英文释义
to be quickly forgotten or not understood
例句
I told him to clean his room, but it went in one ear and out the other.
典故来源
源自16世纪英语谚语，形容信息未被记住，像穿过耳朵一样。