change down

1. To change to a lower gear in a vehicle

1. Things have changed a lot down here.

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2. I often brake before I change down.

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irregular

• change upTo throw a pitch at a much slower than expected speed.
• change outTo swap one thing for another; to switch out (something).
• change downTo change to a lower gear in a vehicle
• change overTo convert to, to make a transition from one system to another
• change aroundTo switch or rearrange.