“退出比赛”常见的英文表达有 withdraw from the competition、drop out of the competition 或 quit the competition。
withdraw from the competition：较为正式、书面，强调主动且正式地退出比赛，可能由于各种原因（如受伤、个人事务等）而做出这一决定。例如：The player decided to withdraw from the competition due to an injury.（这位选手因受伤决定退出比赛。）
drop out of the competition：更口语化、随意一些，指从比赛中退出，不再继续参与。例如：Several teams dropped out of the competition because of financial problems.（由于资金问题，有几支队伍退出了比赛。）
quit the competition：也是比较常用的表达，语气较为直接、坚决，表达退出比赛这一行为。例如：He felt he had no chance of winning, so he quit the competition.（他觉得自己没有获胜的机会，所以退出了比赛。 ）