童ㄊㄨㄥˊ叟ㄙㄡˇ無ㄨˊ欺ㄑㄧtóngsǒu‑wúqī

简童叟无欺

  1. 對小孩和老人都不欺騙。形容買賣有誠信。例 「商品保證貨真價實，童叟無欺」。

英cheating neither old nor young (idiom)​; treating youngsters and old folk equally scrupulously, Our house offers sincere treatment to all and fair trade to old and young alike.