当地震发生的时候，人们都在睡觉的翻译：When an earthquake occurs when people are sleeping 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

When the earthquake happened, people are sleeping

When an earthquake occurs when people are sleeping

When the earthquake occurs, the people all are sleeping

When the quake occurred at a time when people are sleeping.

When an earthquake occurs when people are sleeping