(in some sports) an official who watches a game or match closely to enforce the rules and arbitrate on matters arising from the play 裁判员 ■a person chosen to arbitrate between contending parties 仲裁人,公断人
verb
[no obj.]act as an umpire 当仲裁人;当公断人 ■[with obj.]act as umpire in (a game or match) 当裁判员
派生 umpirage noun umpireship noun 语源
late Middle English (originally as noumpere) (denoting an arbitrator): from Old French nonper 'not equal'. The n was lost by wrong division of a noumpere: compare with adder