素そ知しらぬ顔かお

expression, noun

feigned ignorance; pretending not to know

Describes a facial expression or attitude of pretending not to know something, often to avoid involvement or responsibility. Commonly used in the phrase 素知らぬ顔をする.

• 彼かれは私わたしの質しつ問もんに素そ知しらぬ顔かおをした。

  He pretended not to know about my question.

• 会かい議ぎで彼かの女じょは素そ知しらぬ顔かおで座すわっていた。

  She sat in the meeting with a look of feigned ignorance.