“视同儿戏”可以翻译为 “treat something as a child's play” 或 “regard something as a trivial matter” 。
“treat something as a child's play” 侧重于表达将某事看得像儿童游戏一样简单、不严肃对待。
“regard something as a trivial matter” 强调把某事当作不重要、微不足道的事情来处理，也传达了“视同儿戏”中那种轻视、不认真对待的意味 。