习惯用语Every why has a [its] wherefore.1.[谚]凡事均有因; 有理由必有原因。go into the whys and wherefores(=have the why and the wherefore)1.追根究底Why so?1.为什么这样? 有什么根据?Why, so!1.[古]就这样吧! 好吧!whys and wherefores(=whyand wherefore)1.理由, 原因Why=What have you?1.你有什么(东西出售)?(商业用语)