务必保证你来开前所有的灯都关闭的翻译：To ensure before you get to turn all the lights are turned off 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

To open before you must ensure that all the lights are off

To ensure before you get to turn all the lights are turned off

Guaranteed by all means must you come front all lamps all to close

You need to be sure that all the lights are turned off before the opening

To ensure before you get to turn all the lights are turned off