know someone from a hole in the ground

Verb

Synonym of know someone from Adam

Japanese Meaning

全く面識がなく、相手を知らない / 相手について何も知らない / 知らないという状態、無知である

I wouldn't know someone from a hole in the ground if I met them on the street.

通りで会っても、その人のことは全く知らないだろう。

Sense（1）

Synonym of know someone from Adam

knows someone from a hole in the ground

（ present singular third-person ）

knowing someone from a hole in the ground

（ participle present ）

knew someone from a hole in the ground

（ past ）

known someone from a hole in the ground

（ participle past ）