当时人们正在睡觉，并不知道地震发生的翻译：When people were sleeping, not knowing earthquake 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 people are sleeping, do not know the earthquake

When people were sleeping, not knowing earthquake

At that time the people were sleeping, did not know the earthquake occurred

At that time, people are falling asleep, and did not know that earthquakes occur

When people were sleeping, not knowing earthquake