当没有人的时候，我们应该关灯的翻译：When no one when we should turn off the light 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 no one, we should turn off the lights

When no one when we should turn off the light

When nobody time, we should turn off the lamp

When there is no, we should turn off the lights

When no one when we should turn off the light