Correct

不是玩意儿

/ búshi wányr /
Strokes

Example

Definition

be a lousy person; be a rotter; be a despicable person

1
dàochù
到处
shuō
biéren
别人
de
huàihuà
坏话
  
,
zhēn
shi
wányr。  
玩意儿
  

He is really rotten, speaking ill of others everywhere.