要是你之前告诉我那件事该多好。

If only you had told me that some time ago.

《柯林斯英汉双解大词典》

第三部分：怎样在忧虑“打垮”你之前先“击败”它

Part Three: How to Break the Worry Habit Before It Breaks You

youdao

第一个你要在它袭击你之前将其击败的敌人是冷漠。

The first enemy that you’ve got to destroy before it destroys you is indifference.

youdao

And if you noticed earlier that these are what we'd call powers of ten, these are just powers of two.

四位，八位吗？,如果你想想之前学习的十的次方，这些就是二的次方。

哈佛公开课 - 计算机科学课程节选

One situation is when you're speaking with a friend who had given you really good advice that you failed to take.

一种情况是，当你正在和一个朋友交谈，他之前曾给你一些很好的建议，但你却没有采纳。

I should have 课堂 - SpeakingMax英语口语达人

Americans look at it as a problem, because we are losing jobs too like you mentioned, Indian engineers, software engineers.

美国将其视为一个问题，因为像你之前提到的,很多人都失业了，印度工程师，软件工程师之类的。

普林斯顿公开课 - 国际座谈会课程节选