欺骗裁判不一定都得用这样的花招，在棒球比赛中，司球裁判的作用是根据投手投出的球飞过本垒的位置来判断好球、坏球和三振。
Playing to the referee does not always require such subterfuge. In baseball, umpires are supposed to call balls and strikes based on where a ball crosses home plate.
司线裁判负责指出羽毛球落地时是在边线的“里”或“外”；
A line judge shall indicate whether a shuttle landed 'in' or 'out' on the line(s) assigned.
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