know from a bar of soap

英語（米国） (en-US) 英語（イギリス） (en-GB)

動詞

オーストラリア英語 ニュージーランド英語 南アフリカ英語 イギリス英語 慣用表現 くだけた表現

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

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He wouldn't know from a bar of soap how to change a tyre.

詳細

意味（1）

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

After she won the lottery, Marge had long-lost relatives she didn't know from a bar of soap come up to her to ask for money.

詳細

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 ）