Correct

视同儿戏

/ shì tóng érxì /

Strokes

Definition

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

Example

Definition

treat a serious matter as a trifle; consider sth as mere child's play; not take sth seriously; trifle with sth; regard sth as a trifling/laughing matter