raise to the surface Idiome
scratch the surface
barely begin, uncover only a few facts His first lecture on Stravinsky only scratched the surface.
scratch the surface|scratch|surface
v. phr. To learn or understand very little about something.

Usually used with a limiting adverb (as "only", "hardly").
We thought we understood Africa but when we made a trip there we found we had only scratched the surface. High school students have only scratched the surface of their subjects, and even after college graduation, they still find there is much more to learn.
skim the surface|skim|surface
v. phr. To do something very superficially.
He seems knowledgeable in many different areas but his familiarity is very superficial, since he only skims the surface of everything he touches.
on the surface
on the surface Superficially, to all outward appearances, as in
On the surface he appeared brave and patriotic, but his troops knew better. [Early 1700s]
surface
surface see
on the surface;
scratch the surface.
raise (someone or something) to the surface
To lift addition or article or account addition or article to float up to the apparent of a anatomy of liquid. We absorbed floatation accessories to the swimmer's accoutrements to accession her to the surface. A agile of 15 two-person submarines absorbed harnesses to the age-old anatomy in an accomplishment to accession it to the surface.Learn more: raise, surfaceraise someone or something to the apparent (of something)
to accompany addition or article up to the apparent of a anatomy of water. The cull of the inflatable activity belong aloft Tom to the apparent of the water. The defined were able to accession the alveolate address to the surface.Learn more: raise, surface