off guard
... Pet Guard Off 符鬼护卫取消 off guard 不提防 ; 不警惕 ; 不备 ; 内侧抢球 Caught off guard 猝不及防 ; 出乎意料 ...
unprepared
... unpremeditated = 无预谋 unprepared = 不备 unprepared = 无准备 ...
unpreparedoff guard
备中 remarks 不备 unpreparedoff guard 乘人不备 to take advantage of sb in an unguarded moment (idiom)to take sb by surprise ..
没有准备,不防备。