1 急速
sharpish short hot torrential headlong cannonball posthaste sub. allegro lickety-split post sharp subito amain oxy- festination expedition haste in jig time by the run
2 一下子
holus-bolus burst by the run with a run at a whack before you can say knife of a heap
3 急速地
sub. allegro lickety-split post sharp headlong subito amain posthaste in jig time by the run
4 一口气
holus-bolus stretch burst breathing at a breath at a burst at a blast at a whack in one breath