“精干的”的英语可以翻译为：crack，keen-witted and capable ...

她有一支能征善战的陆军,还有一支小而精干的海军舰队.She had an efficient Westernized army and a small but sound fleet.他是个短小精干的爱尔兰人, 非常自负, 丑得象只猴子.He was a dapper little Irishman, very vain, homely as a monkey.汉密尔顿又罗致了一批精干的负责各地区的主管官员.Hamilton then ...