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掩耳盗铃(yăn'ěrdàolíng) is the phrase for "Deceive oneself."
掩(yăn) means covering and 耳(ěr) refers to ears. 盗(dào) means stealing and 铃(líng) refers to bell.
隔墙有耳(géqiángyŏu'ěr) is the phrase for "Walls have ears."
隔(gé) means separating and 墙(qiáng) refers to wall. 有(yŏu) means having and 耳(ěr) refers to ears.
耳听为虚(ěrtīngwéixū) is the phrase for "What you hear may be false." 耳(ěr) refers to ears and 听(tīng) means hearing. 为(wéi) means be and 虚(xū) means false.
耳旁风(ěrpángfēng) is the phrase to "Turn a deaf ear to something." 耳(ěr) refers to ears and 旁(páng) means aside. 风(fēng) refers to wind.