know from a bar of soap

Verb

Australia New-Zealand South-Africa UK idiomatic informal

(UK, Australia, New Zealand, South Africa, idiomatic, informal) To know; to be acquainted with (a person).

Japanese Meaning

知っている（人と交流・面識がある状態） / 面識がある（ある人物を知っていること）」

I don't know him from a bar of soap.

Sense（1）

(UK, Australia, New Zealand, South Africa, idiomatic, informal) To know; to be acquainted with (a person).

knows from a bar of soap

（ present singular third-person ）

knowing from a bar of soap

（ participle present ）

knew from a bar of soap

（ past ）

known from a bar of soap

（ participle past ）