しらないふり
Meanings
Expression
1. feigning ignorance; acting dumb
Composed of
unknown; strange; I don't care; that's irrelevant; whatever
swing; shake; appearance; behaviour; pretence (pretense); show; going to restaurant, hotel etc. without a reservation or introduction
Examples (3 in total)
Pretend you don't know anything.
She pretended to know nothing about it.
It is no use pretending you know nothing about it.