winner-take-all
adjective uk/ˌwɪn.ə.teɪkˈɔːl/ us/ˌwɪn.ɚ.teɪkˈɑːl/ (also winner-takes-all, uk/ˌwɪn.ə.teɪksˈɔːl/ us/ˌwɪn.ɚ.teɪksˈɑːl/)
（竞赛）胜者全赢的
(of a competition) resulting in the entire prize going to the one competitor who wins
His winner-take-all business tactics (= specific actions intended to get a specific result )shut out would-be competitors (= kept other people from competing with him). 他的胜者全赢的商业策略使潜在竞争对手不愿参与进来。