imperfect (superficial) knowledge
ignorant and illiterate; uneducated and illiterate; uneducated and illiterate person
pick-up knowledge; second-hand knowledge; hearsay
there are no shortcuts in learning
encouragement of learning
putting on a knowing air when one only knows the title of the book (play, etc.); pretending to understand the nature of something when one only knows its name
knowledge gained (information acquired) from newspapers
superficial learning; book learning; merely knowing the meanings of a large number of individual words