a.
- 無準備的；不期而來的[Z][（+for）]The storm caught them unprepared.
暴風雨突然襲來，他們毫無準備。
Students from tropical countries are often unprepared for the British climate.熱帶國家的學生往往對英國的氣候毫無準備。
辨析
同義:
a.無準備的；即席的
unpremeditated extempore improvised impromptu offhand同義參見:
hasty fallow untrained extemporaneous反義參見:
ready