Last Updated
：2025/12/06
know A from B
Verb
Japanese Meaning
基本的な常識や知識すら欠落しており、最低限の判断や識別すらできない状態 / 基本的な事柄の区別や理解が全くできないこと
（ present singular third-person ）
（ participle present ）
（ past ）
（ participle past ）
Quizzes for review
Synonym of know B from a battledore (“to know anything at all; to have the most basic common sense or intelligence”)
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See correct answer
know A from B
I don't know A from B when it comes to ancient history, so I need help.
See correct answer
I don't know A from B when it comes to ancient history, so I need help.
音声機能が動作しない場合はこちらをご確認ください
English - English
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