dial up
动词- To telephone, to call on the telephone. · The written instructions weren't clear, so I dialed her up and asked her to explain what she meant.
- To connect a computer to a modem. · In those days it took three minutes just to dial up, and every minute you were connected was costing you a higher phone bill.
- To increase the level (of something) by turning a dial, or (figuratively) as if by turning a dial. · Near-synonym: ratchet up· These comments are guaranteed to dial up the animosity.
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