Did such a thing ever happen before?

这种事以前发生过吗？

youdao

She had been much tried, and she little knew what was to happen before the night was out.

她已经受了很多的考验，而且她不知道在天黑以前会发生什么事。

youdao

Changes such renaming buttons, changing the text of menu items often happen before another participant arrives.

在另一个参与者到来之前，诸如重命名按钮、修改菜单条目文字这样的变化经常发生。

youdao

"The Kremlin are very aware of the risk that this might theoretically evolve as something bigger so they try to pre-empt, try to prevent, such kind of undesired evolution before it begins to happen."

VOA: standard.2010.05.19

That is unlikely to happen before the mid-term elections Lindsey Graham, the keenest Republican on the idea, was working on a bill with two Democrats but walked out last month when Harry Reid, the Senate majority leader, said that he had decided to tackle immigration first.

ECONOMIST: Lexington

The reason: the NFL folks who dole out these fines (operations executive Ray Anderson and his crew) are oftentimes divining the intent of the defensive player, which can be a hard thing to do with on-the-field, before-the-whistle actions that happen in milliseconds.

FORBES: The NFL's Head-Scratcher: Why Wasn't Richard Seymour Punished More Severely for Punching Ben Roethlisberger?

The bill's best prospect of getting through the Commons and being sent on to the Lords would be if the chair allowed a closure motion - which is unlikely to happen much before 1pm.

BBC: Is night falling on Daylight Saving Bill?