振ふりをする

expression, suru verb (irregular)

pretend; act as if

Used after a verb in the dictionary form or ta-form to mean pretending to do or have done something. Also used after nouns with の.

See also: 振り (ふり)

• 彼かれは寝ねたふりをした。

  He pretended to be asleep.

• 知しらないふりをしないでください。

  Please don't pretend you don't know.