Right. Which is true. In a blink of an eye it all can be gone.

对，说得没错。一瞬间就会消失掉。

In a blink of an eye, they gather together and fight for food and make a lot of noise.

一眨眼功夫 便集合完毕 一边争吃 一边唧唧咕咕地打闹 千姿百态。

Remember, flash flooding can happen in a blink of an eye.

请记住，山洪暴发可能在眨眼之间发生。

The universe is a hazardous place, filled with radiation and extremes of temperature which would wipe out a person in a blink of an eye.

宇宙里危机四伏，充满辐射和极端的温度可以在眨眼之间让一个人消失。

Sometimes you might feel too tired to go out after a long day at work, but the years will go by in a blink of an eye.

有时你可能会在漫长的一天工作后感到太累而不想出去，但时间会在眨眼之间流逝。

This thing could move a hundred points, two hundred points against you in a blink of an eye, you're going into this thing without a stop?

这东西转眼间就能对你产生一百点、两百点的影响，你就马不停蹄地投入这件事吗？

If you're a forest animal you can  go from having a pretty good day to meeting your great grandparents in  the ancestral plain in a blink of an eye.

如果你是一只森林动物，你可以从度过美好的一天到眨眼之间在祖传的平原上见到你的曾祖父母。

Remember flash flooding can happen in a blink of an eye that's why it's important to stay alert and pay attention in case a flash flood watch or warning is issued for your area.

记住，山洪暴发可能会在一眨眼的时间内发生，这就是为什么保持警惕和关注很重要，以防你所在地区发布暴洪预警。