ˋㄊㄨㄥˊˊㄒㄧˋshìtóng‑érxì

视同儿戏
  1. 事情看成小孩遊戲一樣形容重視做事認真 老百姓切身利益豈可視同兒戲?」。

to regard sth as a plaything (idiom)​; to consider unimportant, to view as trifling