adj.准备不充分的，准备不足的

The student was underprepared for the exam, so they struggled with the questions.
学生对考试准备不足，因此在答题上感到困难。
She realized she was underprepared for her job interview when she arrived and saw the other candidates' confidence.
当她看到其他候选人的自信时，她意识到自己对面试准备不足。
The team's lack of preparation led to their underperformance in the tournament.
由于团队准备不足，他们在比赛中表现不佳。
The teacher expressed concern about some students being underprepared for the project, which was due next week.
老师担心有些学生对下周到期的项目准备不足。
He had been underprepared for the cold weather, so he quickly regretted not bringing a thicker jacket.
他没有为寒冷的天气做好准备，很快就后悔没带更厚的夹克。
The company's sudden expansion left many employees feeling underprepared for their new responsibilities.
公司的突然扩张让许多员工对新职责感到手忙脚乱。
The candidate was underprepared for the debate, leading to several awkward pauses and missteps.
候选人对辩论准备不足，导致出现多次尴尬的停顿和失误。
The athlete's underpreparedness for the race resulted in a disappointing finish time.
运动员对比赛的准备不足，导致了令人失望的成绩。
The parents were underprepared for the challenges that came with raising a teenager, as they had only dealt with younger children before.
父母在抚养青少年方面准备不足，因为他们之前只照顾过较小的孩子。
Due to unforeseen circumstances, the event organizers found themselves underprepared in terms of logistics.
由于未预见的情况，活动组织者在后勤方面发现自己准备不足。