to suddenly begin work that needs doing, using a lot of energy and effort 立即行动起来;马上大干起来
Politicians have already swung into action.
政界人士已经开始行动了。
Examples from the Corpus
swing into action• All this would have rotted away had the rescueoperation not swung into action.• The moment the shooting was reported, they swung into action.• Throughout the regionvoluntaryagencies like the RedCross are swinging into action.• Whenever the laws of any state are broken, a duly authorized organization swings into action.• When he swings into action on the water, Kerton is one of the fastest men afloat.• The first battalion of boffins will swing into action this August.• The doctorexamined her, found a faintpulse, and immediately swung into action to resuscitate the patient.• The nights really begin to swing into action with regular party nights in the bar.