set to

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See: battle, brawl, fight
References in classic literature ?
She at once set to work afresh and they now trusted her completely.
9 : to begin some activity <They set to work on the cleaning project.
It sucks, the way it had to end, but tennis is a difficult sport,'' said Zapala, who dropped the first set to Taoatao 7-6 (7-4), then won the second 6-4.