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Use "ratchets" in a sentence
"The genetic damage literally (metaphorically) "ratchets" up."
"DOUGHERTY: Again, it kind of ratchets up, and that suspicion, reasonable suspicion, it appears that is where they're going to be zeroing in and redefining, making it easier to define somebody in that category, and therefore they would be put on the no-fly list."
"First of all, every debate, since there's not a knockout so far, every debate kind of ratchets up the pressure because the candidates need to perform even better."