当耳旁风

Explanation: See "When the ear." Ear as the wind blows. Listen to the words of the metaphor does not mind. 　　Source: Phrase from the Han Zhao Ye "Annals of Wu Chuan Wu Wangshou Dream": "Fortunate for me, as the autumn had ears." 　　Examples: Xiren said: 'One hundred years still remember it! Than not you, take my word ~, night said, getting up early to forget. '★ Qing Cao Xueqin's "Dream of Red Mansions," the twenty-first