馬ば鹿か面づら

noun

foolish face; stupid look

Describes a facial expression that looks unintelligent, silly, or vacant. Often used in casual or derogatory contexts.

• 彼かれはいつも馬ば鹿か面づらをしている。

  He always has a stupid look on his face.

• そんな馬ば鹿か面づらで見みないでよ。

  Don't look at me with that foolish face.