*de·tail¹/`ditel; ˈdiːteɪl/ n [C,U] a small fact or piece of information about something 细节，详情: The documentary included a lot of historical detail. 这部纪录影片收入了大量历史细节。 in detail (=thoroughly) 详尽的: He describes the events in great detail. 他对这些事件的描述极为详尽。