c. 1300, pur blind "entirely blind," as a noun, "a blind person," later "partially blind, blind in one eye" (late 14c.), the main modern sense, from blind (adj.). The first element is sometimes explained as pure (adj.), or as the Anglo-French perfective prefix pur- (see pur-). Sense of "dull" first recorded 1530s.
雙語例句
1. If an administrator has no access to information, it's as if he was purblind and hard of hearing and had a stuffed nose.
做管理工作的人沒有信息, 就是鼻子不通,耳目不靈.
來自《簡明英漢詞典》
2. Ultimately, the most purblind of lenders come to their senses.