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skim over something
1. Lit. to glide across something. The sailboat skimmed over the waves like a bird. The bird skimmed over the treetops, darting and dodging.
2. Fig. to go over or review something hastily. I just skimmed over the material and still got an A on the test! Please skim over chapter four for Thursday.
To read or consider something superficially and quickly: I skimmed over the reading assignment because I didn't have time to read it carefully.