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1. Oxford American Dictionary

   crank

   • IPA[kraNGk]

   美式

   • v.
     turn the crankshaft of (an internal combustion engine) in order to start the engine；turn (a handle) in order to start an engine
   • n.
     a part of an axle or shaft bent out at right angles, for converting reciprocal to circular motion and vice versa；the drug methamphetamine.

   • verb: crank, 3rd person present: cranks, gerund or present participle: cranking, past tense: cranked, past participle: cranked

   • noun: crank, plural noun: cranks

2. • 釋義

   v.

   動詞

   • 1. turn the crankshaft of (an internal combustion engine) in order to start the engine the starter motor struggled to crank the engine move the pitch lever into the normal range and crank up the engine
   • ▪ turn (a handle) in order to start an engine the generators roared into life when he cranked the handle
   • ▪ informal increase the intensity of something he cranked up the foghorn to full volume
   • ▪ informal, derogatory produce something regularly and routinely an army of researchers cranked out worthy studies
   • 2. give a bend to (a shaft, bar, etc.) I've cranked the shaft of the gear lever to get it further away from the dashboard

   n.

   名詞

   • 1. a part of an axle or shaft bent out at right angles, for converting reciprocal to circular motion and vice versa a long con rod which acts as a longer lever on the crank
   • 2. informal the drug methamphetamine.