smoke and mirrors
华而不实，用烟雾和镜子制造迷惑的手段
书面·形容虚假宣传或误导
英文释义
deceptive or misleading tactics or methods used to obscure or distract from the truth or actual situation
例句
His presentation was all smoke and mirrors; the product didn't actually work.
典故来源
源自魔术表演，魔术师常用烟雾和镜子制造假象来迷惑观众，后引申为欺骗手段。