Dictionary / Vocabulary / 俗に言う
ぞくにいう
what is colloquially called; what is commonly referred to as; what is popularly known as; so-called
ウチは俗に言うシングルマザーの家庭だ。父親の顔を僕は知らない。
We're what they colloquially call a single mother family. I haven't seen my father's face.