ratchet up

vt.

逐渐升高，提升，；

Federal regulators ratchet up probe of Ford Explorer exhaust complaints
Using technology to sell: Tactics to ratchet up results
Dow tumbles 200 points as Trump tweets ratchet up Russia tensions
Can Non-State Governance 'Ratchet Up' Global Standards? Assessing Indirect and Evolutionary Potential
Performance Leadership: 11 Better Practices That Can Ratchet Up Performance
Ratchet up or down? An experimental investigation of global public good provision in the United Nations Youth Associations Network
Can Non‐state Governance ‘Ratchet Up’ Global Environmental Standards? Lessons from the Forest Sector
Arrhythmia and fibrillation prevention pacemaker using ratchet up and decay modes of operation
Arrhythmia and fibrillation prevention pacemaker using ratchet up and decay modes of operation
Scenario analysis of energy saving and CO2 emissions reduction potentials to ratchet up Japanese mitigation target in 2030 in the re...