Hayley教口語，“一眨眼”用英語怎么說？

So quickly as to seem almost imperceptible (i.e., in the space of time it takes a person to blink).

速度快得幾乎感覺不到(也就是說，眨眼的時(shí)間內(nèi))。一眨眼，瞬間

In the blink of an eye, he was gone.

一眨眼他就不見了。

Working on Wall Street, you get used to massive financial changes happening in the blink of an eye.

在華爾街工作，你會(huì)習(xí)慣在眨眼之間發(fā)生的巨大金融變化。