why did you come so late?the bus was crowed.we were kept for half an hour.为什么用were kept?

问题描述:

why did you come so late?the bus was crowed.we were kept for half an hour.为什么用were kept?

were kept被拒之门外,被挡在外

为啥你那么迟,公交拥剂死了,我们已经等了半个小时了

be+did 是被动语态
这句话的意思是说
你为什么来得这么晚?公交车太挤了,我们等了半个小时.
其实可以理解为我们被耽误了半小时.