Correct

正儿八经

/ zhēngr bā jīng / 
Strokes

Definition

serious/earnest/real/true

Example

Definition

serious; earnest

1
Biè
别
zhème
这么
zhēngr  bājīng
正儿八经
de
的
  
,
tā
他
shì
是
kāiwánxiào
开玩笑
ne
呢
  
。

He was just kidding. Don't take it seriously.