当知道自己的公司遭受巨大损失时的翻译：When you know their company suffered substantial losses 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 know when the company suffered huge losses

When you know their company suffered substantial losses

When knew own company suffer when the heavy loss

When know when their own company suffered enormous losses

When you know their company suffered substantial losses