be unable to tell beans from wheat -- have no knowledge of practical matters cannot tell wheat from beans -- ignorant of common things lack common sense not to know chalk from cheese
lack common sense
not to know chalk from cheese
不辨黑白用英文怎麼說
不辯自明用英文怎麼說
不辱使命用英文怎麼說
不達大體用英文怎麼說
不達標用英文怎麼說
英語詞典收錄了最新的漢英詞典和英漢詞典,總共有200多萬個詞條,詞庫仍在不斷更新中。