An unprecedented test of social mobility looms.

对社会流动性所未有的考验头。

This disregard has continued even in these unprecedented times.

即便是（新冠疫情）这个史无例的时期，这一漠视也没有停止。

Some really unprecedented policy changes are being discussed.

一些史无例的政策变化讨论中。

And yet, an unprecedented number of us feel isolated.

可其中仍有巨量的人们时时刻刻感到孤独。

He steered the company to unprecedented levels of profitability.

他带领公司达到了所未有的盈利水平。

Putting a prosecutor on the stand i-is completely unprecedented.

让公诉人出庭作证绝无先例。

But the environment is facing unprecedented perils, caused by human activity.

但由于人类的活动，环境面临着所未有的危险。

But the current outbreak is unprecedented in size and scope.

但是现的疫情规模和感染范围上是所未有。

But now it's poised for an unprecedented handover of power.

但是现，准备进行史无例的权力交接。

How unusual is that? I'm told that this is unprecedented.

这种情况有多罕见？我听说这是史无例的。

That's why they're doing unprecedented things to prepare for that.

他们做着所未有的准备来应对洪水。

That would be an unprecedented thing in Israel.

这将成为以色列史无例的事件。

I'm running out of synonyms for unprecedented.

我已经找不到所未有的同义词了。

Undocumented and unprecedented, according to one wildfire behavior official.

根据火势应对官方表示，这是一场未曾报道且所未有的火灾。

John Haga of the National Institute on Aging says this is unprecedented.

家老龄化研究所的约翰·哈加说，这是所未有的。

The unprecedented rain turning roads and highways into rivers.

这场所未有的暴雨把公路变成了河流。

But AP's chief executive called the mass of unprecedented intrusion.

但是美联社的首席执行长称之为史无例的大规模入侵。

We are also offered an unprecedented sense of intimacy.

同时我们还获得了所未有的亲密感。

The extent of foreign engagement is unprecedented.

外非洲的参与程度所未有。

This is an entirely unprecedented situation.

这是一种完全所未有的情况。