at a (single) blow

All at once, with a single decisive or powerful action. When the economy crashed, thousands of people lost their jobs, their homes, and their pensions at a single blow. As the two leaders ratified the treaty, 10 years of civil war ended at a blow.

Common Names:

Name	Pronounced	Usage
Florentinus	-	Late Roman
Phillis	FIL-is	English
Emil	E-mil (Swedish), E-meel (German, Polish), e-MEEL (English)	Swedish, Norwegian, Danish, German, Romanian, Bulgarian, Czech, Polish, Slovene, Serbian, Croatian,
Jaylin	JAY-lin	African American (Modern), English (Modern)
Lin	-	Chinese
Zarathushtra	-	Ancient Persian