So why these escalations? And why now?

为什么紧张局势会升级？为什么是现在？

But UN officials have called Thursday's incident a dramatic escalation that was preplanned and unprecedented.

但联合国官员称周四的事件是严重升级，是实现有预谋的。

There is no reason, none for this escalation.

我们无理，更不要说让事态升级。

The escalation is increasing very, very much.

紧张局势大幅增加。

Well, can you tell us more about this escalation in violence?

你能详细介绍一下这起升级的力事件吗？

One protester was shot dead, a very serious escalation in the violence.

一名抗议者被枪杀, 造成这一力流血事件的升级。

Really seems like a rapid escalation of violence here. What's going on?

看起来这里的力事件正在迅速升级。发生了什么？

It's the latest dispute in an escalation of tensions between the two countries.

这是两国紧张局势升级的最新争端。

The Hamas leader Ismail Haniyeh has said the group is ready if Israel seeks escalation.

哈马领导梅尔·哈尼亚表示，如果以色列寻求冲突升级，他们已做好准备。

NPR's Shannon Bond reports on the escalation of Trump's fight with Silicon Valley.

NPR新闻的香农·邦德报道了特朗普与硅谷斗争的升级。

Strategists have long disagreed about whether to counter Moscow's nuclear threat with escalation or restraint.

针对是否以升级或克制来应对莫科的核威胁一事，战略家们一直是各执一词。

So this seems like a significant escalation in this trade standoff between the U.S. and China.

看起来中美之间的贸易僵局明显升级。

It's seen as a major escalation in their activities since international troops started withdrawing from Afghanistan.

自国际部队开始从阿富汗以来，此举是他们最大的事动作。

Are you hearing any concern about an escalation of the U.S. involvement in this area, Tom?

汤姆，美国加大在该区域的参与力度，你有没有听到外界有担心的声音？

There is a risk of further escalation, because both sides believe they hold the stronger hand.

时态还可能进一步恶化，因为双方都认为占上风的是自己一方。

United Nations has warned of a series of escalation in the conflict in the east of Ukraine.

联合国警告称乌克兰东部冲突出现一系列升级迹象。

China is calling on all parties to exercise restraint to avoid escalation of the crisis in Ukraine.

中国呼吁所有各方保持克制，避免乌克兰危机升级。

And with an escalation in the fighting, it looks like it's only set to get worse.

因为斗争日益升级，看起来也门的形势会进一步恶化。

The twin moves, an apparent escalation of efforts to bring both regions back under Kiev's control.

乌克兰明显正在努力让两个城市重新恢复到首都基辅的控制下。

But there is always the risk of a miscalculation by a local commander leading to unpredictable escalation.

但是决策者的一个错误决定很可能就会导致难以预料的争端升级。