Like some leaders today, the officials who must confront it are vacillating and helpless.

官员们必须去面对这个袭击者，他们就像今天的一些领导人一，不定，束手无策。

International observers say there's no reason for Trump to vacillate.

国际观察人士说，特朗普本来没有理由犹豫。

For the rest of the spring, Jobs vacillated.

这个春季之后的日子里，乔布斯不定。

We, too, may vacillate or hesitate, even trip.

我们自己也会有犹豫不、迟疑甚至跌倒的时候。

Sean, our bookstore manager, and I were vacillating. What do we do?

书店经理肖恩，我还犹豫，我们该怎么办？

I blushed. I had been vacillating during the last month between Bruce Wayne and Peter Parker.

我脸红了。这一个月来我一直布鲁斯·维尼（蝙蝠侠）和彼得·帕克（蜘侠）之间举棋不定。

The term, vacillate, means to alternate or waiver between different opinions or actions, or in other words, to be indecisive.

“vacillate”这个词的意思是不同的意见或行动之间不定或放弃，换句话说，就是优柔寡断。

The younger boy was quicker, but vacillating.

小男孩更快， 但犹豫不。

I know of nothing to make me vacillate.

我不知道有什么可以让我动。

We're all vacillating between these different feelings and emotions.

我们都这些不同的感受和情绪之间不定。

I always vacillate when i decide on some major issues.

5.我定一些重大问题时总是犹豫不。

You were vacillating between writing satire and covering the Trump rallies journalistically, which you did.

写讽刺文章和报道特朗普集会之间不定，做到了。

But they vacillated because they were worried about their son John.

但他们犹豫起来回为他们担心他们的儿子约翰。

He would not be vacillating again—he WOULD do what he had meant to do, this time.

他不会再动了——这一次他会做他想做的事。

But Ukraine itself has been vacillating between getting closer to the E.U., to the West, and retaining its longer term links to Russia.

但是，更靠近欧盟和西方还是保持同俄罗斯的长期关系这个问题上，乌克兰一直不定。

The longer the West vacillates, the weaker the moderates become; and the stronger the extremist rebels, the higher the regime's hopes of survival.

西方世界犹豫不的时间越久，中间力量越加削弱，极端分子越加壮大，阿萨德政权延存的可能性越大。

The tin lamp threw a bright light on those around it, but the bunks were in the shade and vacillating shadows moved along the walls.

锡灯照亮了周围的人， 但铺位阴影中， 不定的阴影沿着墙壁移动。

He vacillated between abstaining for the first time in his life or reluctantly casting a ballot for Mr. Macron simply to fend off someone he considered " worse and more dangerous."

这是他人生第一次投弃权票和不情愿地把选票投给马克龙之间不定，只是为了避开一个他认为“更糟糕、更危险”的人。

But what's hard to fully grasp is how much work he made, and how much he vacillated between not only styles but mediums, embracing printmaking and exploring poetry and ceramics.

但很难完全掌握的是他创作了多少作品，以及他风格和媒介之间不定，拥抱版画， 探索诗歌和陶瓷。

Palmerston was simple — so simple as to mislead the student altogether — but scarcely more consistent. The world thought him positive, decided, reckless; the record proved him to be cautious, careful, vacillating.

帕默斯顿很简单——简单到完全误导了学生——但几乎没有更一致。世人认为他积极、果断、鲁莽；记录证明他谨慎、小心、优柔寡断。