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样，摇摆不定，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.

在这个春季之后的日子里，乔布斯摇摆不定。

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

我们自己也会有犹豫不决、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，我还在犹豫，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。这一个月来我一直在布鲁斯·维尼（蝙蝠侠）和彼得·帕克（蜘蛛侠）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”这个词的意思是在不同的意见或行动之间摇摆不定或放弃，换句话说，就是优柔寡断。

The younger boy was quicker, but vacillating.

小男孩更快， 但犹豫不决。

I know of nothing to make me vacillate.

我不知道有什么可以让我动摇。

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

我们都在这些不同的感受和情绪之间摇摆不定。