tracksuit manager
noun [ C ] UK uk/ˈtræk.suː.t ˌmæn.ɪ.dʒər/ us/ˈtræk.suː.t ˌmæn.ə.dʒɚ/
（在足球比赛期间通常穿运动服而不是正式西装指挥比赛的）运动服教练
a football manager who usually dresses in a tracksuit (= a sports top and trousers),rather than a formal suit, at games