in the blink of an eye
在眨眼的一瞬间；瞬间
口语·表达极快或瞬间
英文释义
very quickly; in a very short amount of time; almost instantaneously
例句
The car disappeared in the blink of an eye around the corner.
典故来源
源于人类眨眼动作的瞬间性，比喻极短时间。