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freewheel n. 自由飞轮
vi. 轻松快活地行动,凭惯性前进 自由飞轮轻松快活地行动,凭惯性前进 freewheel n 1: a clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting) v 1: live unhurriedly, irresponsibly, or freely; "My son drifted around for years in California before going to law school" [synonym: {freewheel}, {drift}] 2: coast in a vehicle using the freewheel Freewheel \Free"wheel`\, v. i.
1. (a) Of a freewheel cycle, to run on while the pedals are held still. (b) Of a person, to ride a cycle of this manner; to coast in a vehicle having a freewheel. To ride a freewheel cycle. [WordNet sense 2] [Webster 1913 Suppl.] 2. (Mach.) To operate like a freewheel, so that one part moves freely over another which normally moves with it; -- said of a clutch. [Webster 1913 Suppl.] 3. To act without controls, external or internal; to live freely, independently, and without concern; -- of people. [WordNet sense 1] [PJC] Freewheel \Free"wheel`\, n. (Mach.) A clutch fitted in the rear hub of a cycle, which engages the rear sprocket with the rear wheel when the pedals are rotated forwards, but permits the rear wheel to run on free from the rear sprocket when the pedals are stopped or rotated backwards. Freewheelcycles are usually fitted with hub brakes or rim brakes, operated by back pedaling. [Webster 1913 Suppl.]
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