the young man did not wake up until the bed had struck the ground.

题目

the young man did not wake up until the bed had struck the ground.
为什么没醒来这个动作发生在床撞地之前.却反而是床撞地用过去完成时呢?

答案

床撞地用过去完成时是说明这个动作比用一般过去时的醒来的动作先发生 是没错的
译为：床撞上地后,年轻人才醒过来
not ...until ..强调他睡得很沉