ratchet up
柯林斯词典
1. PHRASAL VERB If something ratchets up or is ratcheted up, it increases by a fixed amount or degree, and seems unlikely to decrease again. 稳步提高; 使...稳步提高[journalism]
...an attempt to ratchet up the pressure. ...一次稳步加大压力的尝试。
He fears inflation will ratchet up as the year ends. 他担心通胀会随着年底临近而只升不降。
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