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How to Remember the Difference Between 'Hone' and 'Home in On'

There are certain things you’d like to “hone” and there are things you’d like to “home in on,” but these things are not the same. However, it’s one of those pairs of words and phrases that sound so similar and have similar meanings (like further and farther or then and than) that it’s easy to mix them up. But in an effort to hone our grammar skills, we’re going to home in on the correct usages.