| 单词 | to give the green light | 
| 释义 | > as lemmasto give the green light   A green-coloured light (on a railway line, a road-traffic signal, etc.) giving permission to proceed. Frequently figurative: permission to proceed on a course of action, esp. in  to give the green light.In earlier railway use (see quot. 1839) apparently designating a signal to proceed with caution, the signal to proceed being a white light. ΘΚΠ society > authority > lack of subjection > permission > 			[noun]		 > permission to proceed green light1839 go-ahead1843 1839    Roads & Railroads, Vehicles, & Modes of Travelling xviii. 330  				A green light should be placed at each station at the spot where the engine-man should slacken his speed, and a red light at the point where he is to stop. 1885    Minutes Proc. Inst. Civil Engineers 82 223  				Had not the Great Northern Railway Company adopted the green light as an ‘all right’ signal, and had all other companies adopted the ‘all right’ system throughout, the green light would have been set free for another and useful purpose. 1915    Central Electric Light & Power Stations & Street Railways, 1912 		(U.S. Dept. of Commerce, Bureau of Census)	 396/1  				A single green light with no telltale light indicates ‘Proceed’. 1915    Pop. Mech. Aug. 239/1  				When the green light is given for one route the red light automatically goes on for the other route. 1925    J. Dos Passos Manhattan Transfer  ii. v. 217  				Green light. Motors race, gears screech into first. The cars space out, flow in a long ribbon along the ghostly cement road. 1937    T. Rattigan French without Tears  iii. i. 126  				We had a bottle of wine and got pretty gay, and all the time she was giving me the old green light. 1954    P. G. Wodehouse Jeeves & Feudal Spirit xxii. 216  				Carry on, old sport. You have the green light. 1998    Zest July 129/1  				The green light came on and we sped off, all jockeying to get the best position. 2005    Independent 24 Mar. 6/2  				The report, which opponents see as giving the green light to designer babies. < as lemmas  | 
	
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