touchstone, wrest

touchstone: 기준, 시금석
a ​basic ​principle for ​judging ​quality:Perfect ​service is the touchstone of a ​fine ​restaurant.
an ​established ​standard or ​principle by which something is ​judged:Until ​relatively ​recently, the ​Japanese ​car ​industry was the touchstone of ​international ​success.
-----------------------------------------------------------------------------------to ​obtain something with ​difficulty, ​effort, or ​violence:Shareholders will ​try to wrest ​control of the ​company from the ​current ​management.
to ​violently ​pull something away from someone:He wrested the ​letter from my ​grasp.
-------------------------------------------------------------------------