Correct

傻头傻脑

/ shǎ tóu shǎ nǎo / 
Strokes

Definition

a fool

Example

Definition

foolish-looking; muddle-headed

1
Tā
他
hái
还
shǎtóushǎnǎo
傻头傻脑
de
的
  
。

He's still soft in the head. / He's a simpleton.