让我担心的是我们对事态的变化缺乏准备。

What concerns me is our lack of preparation for the change.

《牛津词典》

我们曾经为缺乏准备所阻，但我肯定我们会表现很好的。

We have been hindered by our lack of preparation, but I'm sure we will give a good account of ourselves.

《柯林斯英汉双解大词典》

也可以理解为缺乏准备。

It can also be interpreted as a lack of preparedness.

youdao

But in this next passage, which is Numbers 11, Moses is the one who is impatient with the Israelites' constant complaints and lack of faith, and he's ready to throw in the towel.

但在下一篇《民数记》11中，摩西成为了那个对犹太人不停的抱怨，缺乏信仰,没有耐心的人，他准备认输。

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