a complete loss

As a matter of fact, the demanding of English learning upon English vocabulary always places the vocational school students with poor English at a complete loss what to do.

事实上，职高英语学习对英语词汇的要求常常令这些英语基础比较薄弱的学生不知如何应付。

A dry hole means zero cash flows and a complete loss of the $ 10 million investment.

一口枯井意味零现金流以及完全损失1000万美元的投资.

The guy devastated as it was a complete loss.

小伙子崩溃了,一切都失去了?

An outage is a complete loss of voltage usually lasting from as short as 30 cycles up to several hours, or in some cases even days.

断电为完全失去电压，通常持续短至30个周波，长至数小时，甚至某些情况下达数天。

John: Yes. I'm at a complete loss. I'm looking for the sugar.

约翰: 是的.我完全搞不清楚这地方. 我在找糖.

It is also possible for the investors to get a complete loss, isn't it?

投资者也可能大亏一笔, 是 吗 ?