in the blink of an eye
US /ɪn ðə blɪŋk əv ən aɪ/
UK /ɪn ðə blɪŋk əv ən aɪ/

1.
眨眼间, 瞬间
extremely quickly; in an instant
:
•
The magician made the rabbit disappear in the blink of an eye.
魔术师让兔子眨眼间消失了。
•
Life can change completely in the blink of an eye.
生活可能眨眼间彻底改变。