overdrive

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. A gear, on an automobile, higher than the traditional top gear, mainly to allow better fuel economy at highway speeds. In the 21st century, such gears are no longer viewed as "extra" and thus rarely called by this name. countable,dated,uncountable
    — Near-synonym: top gear
  2. A state of heightened activity. figuratively,uncountable
    — overdrive pacing
  3. Freewheeling (driving a vehicle with the transmission in neutral) on downhill stretches to achieve higher fuel economy and/or speed than otherwise. In colloquial registers, ethnically bigoted variants have been common, such as Jewish overdrive (alluding to the stereotype of miserly Jews) or Mexican overdrive or Polish overdrive (alluding to stereotypes of foolishness and poverty). countable,euphemistic,slang,uncountable
    — Of course overdrive is forbidden for dump trucks in the quarry because it is unsafe, but unscrupulous workers were found to be using it because of a perverse incentive involving tonnage piece rates.
  4. A gear ratio higher than 1:1: one in which a single revolution of the driving element corresponds to more than one revolution of the driven element. countable,uncountable
动词 v.
  1. To drive too hard, or far, or beyond strength. transitive

词形变化

overdrives present,singular,third-person overdriving participle,present overdrove past overdriven participle,past overdrives plural

词汇关系

衍生词
Georgia overdrive Jewish overdrive Mexican overdrive Polish overdrive
相关词
hyperdrive oversteer understeer upshift

词源

词源 1
From Middle English overdriven, from Old English oferdrīfan, equivalent to over- + drive. Cognate with Saterland Frisian uurdrieuwe (“to overdo, overstate”), Dutch overdrijven (“to exaggerate”), German Low German overdrieven, överdrieven (“to overdo, exaggerate”), German übertreiben (“to overdo, exaggerate”), Norwegian overdrive (“to exaggerate”).
词源 2
From over- + drive, originally referring to gear ratios over 1:1.
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