[口語] a bat of the eye的意思是?

[consequence (consequence)]

前後文是這樣子的

I came very close to losing a job and losing my apartment.
I was single that time;
I could have been out on the street in just a bat of the eye.

請問 a bat of the eye 該作何解呢?

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推 itanium:一眨眼?
推 consequence:謝謝回應，我的猜測也跟你一樣 :)