on the double

Prepositional phrase

 * 1)  Rapidly or immediately.
 * Fortunately, help arrived on the double, and the victim's injuries were soon treated.

Translations

 * Dutch: in looppas
 * Finnish: tuplavauhtia
 * French:
 * Greek:
 * Icelandic:
 * Irish: ar sodar
 * Polish: w biegu