scratch the surface (of something)

scratch the surface (of something)

To do, engage with, or understand something to only a minimal or superficial degree. I know you feel like you know everything about philosophy now, but this introductory course only scratches the surface. Jack never felt satisfied devoting his time and attention to one thing, so instead he's scratched the surface of a number of hobbies and interests.
See also: scratch, surface
Farlex Dictionary of Idioms.

scratch the surface

 
1. Lit. to scratch something just on the surface, not extending the mark below the finish into the wood, stone, marble, below. There is no serious damage done to the bench. You only scratched the surface.
2. Fig. to just begin to find out about something; to examine only the superficial aspects of something. The investigation of the governor's staff revealed some suspicious dealing. It is thought that the investigators have just scratched the surface. We don't know how bad the problem is. We've only scratched the surface.
See also: scratch, surface
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

scratch the surface

Investigate or treat something superficially, as in This feed-the-hungry program only scratches the surface of the problem, or Her survey course barely scratches the surface of economic history. This metaphoric term transfers shallow markings made in a stone or other material to a shallow treatment of a subject or issue. [Early 1900s]
See also: scratch, surface
The American Heritage® Dictionary of Idioms by Christine Ammer.

scratch the surface

COMMON If you only scratch the surface of something, you deal with or benefit from a very small part of something much bigger. The council have managed to provide housing for over ten thousand homeless people but they say they have only scratched the surface of the problem. At 13, her potential as a player is enormous and she has only scratched the surface of what she can do.
See also: scratch, surface
Collins COBUILD Idioms Dictionary, 3rd ed.

scratch the surface

1 deal with a matter only in the most superficial way. 2 initiate the briefest investigation to discover something concealed.
See also: scratch, surface
Farlex Partner Idioms Dictionary

scratch the ˈsurface (of something)

deal with, understand, or find out about only a small part of a subject or problem: This report only scratches the surface of the problem. OPPOSITE: get to the bottom of something
See also: scratch, surface
Farlex Partner Idioms Dictionary

scratch the surface

To investigate or treat something in superficial or preliminary fashion.
See also: scratch, surface
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • I know
  • closed book, a
  • a closed book
  • as we know it
  • before you know where you are
  • have no idea
  • in the dark, to be/keep someone
  • be in the dark
  • by any chance
  • know (something) in (one's) bones