1
general::
Treat superficially or hurriedly, avoid mentioning, as in He concentrated on the main points of the contract and skated over the details. This idiom transfers the gliding motion of skating to dealing with something in a cursory way. [Mid-1900s]
American Heritage Idioms
2
general::
Phrase(s): skate over something
1. Lit. to move over something, skating. • I love to be the first one to skate over newly frozen ice. • I skated over the pond too soon and the ice cracked while I was on it. 2. Fig. to move over or deal with something quickly. • The speaker skated over the touchy issues with discretion. • I will skate over the things that I am not sure about.
McGrawhill's American Idioms And Phrasal Verbs