As so often is the case, stating that principle doesn't ease the challenge of line-drawing.

即便如规定，但也很难帮助我们做到泾渭分明，这种事情也是时有。

This is most apt to be the case in late adolescence, when dating and relationships with boys take sharp precedence over sisterhood.

这种情况在青春期后期最容易，时与男孩的约会和关系比姐妹关系更重要。

Well, I think this clearly should not be the case.

我认为情况显不应如。

First of all, the researcher has to be completely open-minded — he or she hasn't thought up a hypothesis to be tested, as is the case in other types of research.

首先，研究人员必须绝对虚心，他们不能像在其他类型的研究中那样事先想出一个假设，后测试它的真实性。

A 2019 opinion survey seems to suggest that may be the case.

2019年的一份民调显示似乎确实是这样。

That is the case in many parts of Afghanistan.

阿富汗的很多地区都有这种情况。

And I don't believe that's the case right now.

我不相信现在人们使用推特是为了这个理由。

Yet such was the case. Everybody looked at her feet.

但穿着去了。所有的人都在望着她的那双脚。

I'm confident that's the case because admission is competitive and if there weren't some signs that you're clever, the dean of admission wouldn't have let you in.

之所以如确信，是因为入学竞争十分激烈，如果你们不能表现出聪明智慧，便没有资格进入这所学校。

This will continue to be the case as we leave the EU. They added, while we are making sensible preparations for all eventualities as we leave the EU. The government is not and will not be storing food.

在我们离开欧盟之际，这种情况将继续存在。 他们补充说，在我们离开欧盟时，我们正在为所有可能的情况作出明智的准备。 政府没有也不会储存食物。

They only said that might be the case.

他们只是说可能会那样。

That is clearly not been the case.

但事实显并非如。

I'm not really sure that that's the case. It just still seems kind of different. The act of actually pushing someone over onto the tracks and killing him, you are actually killing him yourself.

我不太确定情况是否是这样的。只是觉得似乎有点不同。把人推到轨道上让他死，实际就是你亲手杀了他。

But this hasn't always been the case.

但是情况并非一直如。

The researchers say it's still unclear why this should be the case. Here's James Gallagher.

研究人员表示其原因尚不清楚。以下是詹姆斯·格拉赫的报道。

But if that's the case, how can we do any science with them?

这种情况下，我们要对它们怎么做科学研究呢？

That may not be the case in the north Atlantic.

但北大西洋的情况可能并非如。

It's still too early to tell, however preliminary evidence suggests that this may not be the case, and that really hasn't been the case with previous variants.

现在说这些还太早，而初步证据表明，情况可能并非如，而且以前的变种也不是如。

The researchers expected this to be the case.

这与研究人员预计的情况一致。

Or, as is the case with this infamous 1984 performance by Queen, if they are not even attempting to sing into the mic, they're lip-syncing.

或者，就像1984年皇后乐队这场声名狼藉的表演一样，如果他们根本没有试图对着麦克风唱歌的话，那他们就是在对口型。