Traduction :
lit. so loud that even the deaf can hear (idiom); rousing even the apathetic
Référence :
聩：天生耳聋，引伸为不明事理。声音很大，使耳聋的人也听得见。比喻用语言文字唤醒糊涂麻木的人，使他们清醒过来。
Origine :
清·袁枚《随园诗话补遗》卷一：“此数言，振聋发聩，想当时必有迂儒曲士以经学谈诗者。”
Annotation :
振聋发聩1
1. zhènlóngfākuì :
[EN] lit. so loud that even the deaf can hear (idiom); rousing even the apathetic
