scratch the surface
US /skrætʃ ðə ˈsɜːrfɪs/
UK /skrætʃ ðə ˈsɜːrfɪs/
1.
arranhar a superfície, abordar superficialmente
to deal with only a very small part of a subject or problem
:
•
We've only begun to scratch the surface of this complex issue.
Nós apenas começamos a arranhar a superfície deste problema complexo.
•
There's so much more to learn; we've barely scratched the surface.
Há muito mais a aprender; mal arranhamos a superfície.