Just
call us on this number if you have any problems, and
we'll be back in the twinkling of an eye.
Esta expresión
tiene su origen en la Biblia, libro de los Corintios, en
el que San Pablo, hablando del Juicio Final dice: “We
will not all sleep, but we will all be changed—in a
flash, in the twinkling of an eye, at the last
trumpet”.
W. Shakespeare
la utilizó en The Merchant of Venice: "I’ll
take my leave of the Jew in the twinkling of an eye".
Otros idioms con
el mismo significado son in the wink of an eye,
y in the blink of an eye.
The origin of the phrase is unclear. It might have
originated in the early 1700s in other forms, but
was not very popular. It gained popularity in the
mid 1900s, after a stage show called "Out On The
Town" was performed in 1944 and a film by the same
name came out in 1949.
https://www.theidioms.com/out-on-the-town/
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