adroitastuciousastutecleverincisiveknowingleeryquick-wittedsharp-wittedwitty机敏: alert and resourceful的: 4次方是 The fourth power of 2 i ...不机敏的: tactless聪明的;机敏的: clever机敏的,精明的: astute下载手机词典可随时随地查词查翻译