他没有为考试做好准备，结果考得很差。

He was ___unprepared for the exam and did poorly.

由于时间仓促，他对这次演讲毫无准备。

He was completely ___unprepared for the speech due to the tight schedule.

我们露营时发现忘带帐篷了，真是毫无准备。

We realized we forgot the tent when camping - totally ___unprepared.