“Restrain” is a transitive verb: it needs an object. Although “refrain” was once a synonym for “restrain” it is now an intransitive verb: it should not have an object. Here are examples of correct modern usage: “When I pass the doughnut shop I have to restrain myself” (“myself” is the object). “When I feel like throwing something at my boss, I usually refrain from doing so.” You can’t refrain yourself or anyone else.

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