| 单词 | pickproof | 
| 释义 | > as lemmaspickproof   pickproof adj.  Brit.  , U.S.   secure against being picked.ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > 			[adjective]		 > types of lock or door keyless1781 keyed1836 unlockable1854 pickproof1861 1861    Sci. Amer. 24 Aug. 127/2 		(advt.)	  				Wanted, a reliable powder and pick-proof lock for fireproof safe. 1938    Fortune Sept. 14/2  				Zion remembers a time two years ago when the Segal Lock & Hardware Co. sent him a pick-proof lock—which he picked. 1976    National Observer 		(U.S.)	 29 May 9/2  				Eastside tailor seeks design for pick-proof man's hip pocket. 2002    Gazette 		(Montreal)	 		(Nexis)	 22 June  k7  				What you need is a deadbolt with a pickproof lock, whose keys are grooved in several directions rather than just one. < as lemmas  | 
	
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