out·stay /ˌaʊtˈste/
  (v.)比..更久留;比..持久
  Out·stay v. t. To stay beyond or longer than.
     She concluded to outstay him.   --Mad. D' Arblay.
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  outstay
       v 1: stay too long; "overstay or outstay one's welcome" [syn: overstay]
       2: surpass in staying power; "They outstayed their competitors"