英语词汇“not to know a B from a a battledoor”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	not to know a B from a a battledoor
释义	not to know a B from a a battledoor [古语]目不识丁，一字不识；愚昧无知，极其无知
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