out of the blue in Italian
out of the blue in Italian
come un fulmine a ciel sereno
(idiomatic) Unexpectedly; without warning or preparation.
dal nulla
(idiomatic) Unexpectedly; without warning or preparation.
di punto in bianco
(idiomatic) Unexpectedly; without warning or preparation.
inaspettatamente
(idiomatic) Unexpectedly; without warning or preparation.