1.  round off(v = verb.change) round, round out - make round; "round the edges"
is one way to form, shape
Sample sentences: Somebody ----s something

2.  round off(v = verb.change) brush up, polish, polish up, round - bring to a highly developed, finished, or refined state; "polish your social manners"
is one way to hone, perfect
Sample sentences: Somebody ----s something; Something ----s something

3.  round off(v = verb.change) round, round down, round out - express as a round number; "round off the amount"
is one way to alter, change, modify
Sample sentences: Somebody ----s something

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