| 词组 | ratchet up |
| 释义 | ratchet up ratchet up sth • ratchet sth up to keep increasing something by small amounts or to be increased in this way: ▪ NATO has been ratcheting up the pressure on President Milosevic. ▪ The payroll tax has ratcheted up to a tax rate of 15.3%. ratchet (sth) up a notch (=increase a little) ▪ As the story develops, Hitchcock ratchets the tension up a notch. |
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