惯用表达用语第 80 课：Changing of Things, Life, Events 事理变迁-2

Changes are never easy. 有时想改变某一现状，并没那末容易。

You've turned my life upside down. 你把我们的生活弄的天翻地覆。

We have to reform from the bottom up. 我们要彻底改革一下。

This is a welcome change. 这是个受人欢迎的变更。

It's time to turn the tide. 该是扭转乾坤的时候了。

This process is irreversible. 这一程序无法复原。

It's done and there's no way undo it. 生米已成熟饭，无法再改变事实。