He did not instigate the coup or even know of it beforehand.

他没有发起政变，甚至事先都不知道。

《柯林斯英汉双解大词典》

If you are someone who loves to show physical affection, you should not be afraid to show it or drastically change your behaviors—just ask for consent beforehand!

如果你是一个喜欢表现身体亲近的人，你不应该害怕表现出来，或者彻底改变你的行为——只要事先征得对方允许就好了！

youdao

If I'd known this beforehand, I would not have gone back.

早知如此，我就不回去了。

《新英汉大辞典》

It seems the most famous races of them all really are won not beforehand, but in the 100-odd seconds it takes to get to the bottom.

CNN: January 25, 2013 -- Updated 1057 GMT (1857 HKT)

However, Mr Justice Deeney said that those shareholders who still had their money in the society when it went into administration in October 2008 - and who did not apply beforehand to withdraw it - could not be classed as creditors.

BBC: Court ruling over Presbyterian Mutual Society savers

Coulton said he was not informed beforehand, nor was he given any credit or compensation for having arranged the melody of the cover song.

CNN: Singer alleges 'Glee' ripped off his cover song