in one fell swoop

US /ɪn wʌn fɛl swuːp/
UK /ɪn wʌn fɛl swuːp/
"in one fell swoop" picture
1.

in un colpo solo, tutto in una volta

all at once; in a single action or event

:
He lost all his money in one fell swoop.
Ha perso tutti i suoi soldi in un colpo solo.
The new policy addressed several issues in one fell swoop.
La nuova politica ha affrontato diverse questioni in un colpo solo.