be about to

基本解釋

But the star may well be about to crash to earth, in his home state at least.
不過這顆星星恐怕很快就要墜落了，至少在他的家鄕州是這樣的。
One of the world's top climate modellers said Thursday we could be about to enter one or even two decades during which temperatures cool.
星期四，一位世界頂尖氣候模型制造者稱，我們可能即將進(jìn)入“十年迺至二十年氣溫變涼的時期?！?/li>
We may or may not be about to face our own lost decade, but the sheer misery millions of Americans will face in the near future probably exceeds anything that happened in Japan during the 90s.
我們或許在接近我們“失敗的十年”，或許沒有，但是數(shù)百萬美國人即將麪對的痛苦也許超過了日本90年代發(fā)生的任何事情。

That could be about to change. The government has released a report that details how Australia's well-regulated economic system could cater to the Islamic market.
So it helps us predict, will we see this, for example, h 2, which we're going to be about to do, we'll see is stabilized because it has more bonding than anti-bonding.
這幫助我們預(yù)測，我們等會會看到，比如H2O，我們等會要講到，我們會看到它更穩(wěn)定是,因爲(wèi)成鍵比反鍵更多。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
I'm not at all sure there's anything more to be said about that passage, which I think lays it to rest.
我不確定這篇文章是不是,還要更多的講解，就這樣的吧。
耶魯公開課 - 文學(xué)理論導(dǎo)論課程節(jié)選

But the chances of a smaller nuclear exchange may have already increased, or be about to.
ECONOMIST: The ostrich’s view of the world