know A from B

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Verb[edit]

know A from B (third-person singular simple present knows A from B, present participle knowing A from B, simple past knew A from B, past participle known A from B)

  1. Synonym of know B from a battledore (to know anything at all; to have the most basic common sense or intelligence)