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gear someone or something up (for someone or something)
to prepare someone or something for someone or something. We have to gear up the workers for the arrival of the new manager. We geared ourselves up for Frank, who was coming to lecture to us.
1. To get ready for something, especially an upcoming action or event; prepare for something: The investors geared up for the merger of the two companies.
2. To get something ready for an upcoming action or event: The company is gearing up its marketing team for the release of the new film. We geared the truck up for the journey.