come out swinging/fighting idiom informal
强烈反应;强烈反击
to react to something or begin something in a strong, forceful way
He came out swinging at his critics, accusing them of having their own agenda. 他站出来抨击那些批评他的人，指责他们别有用心。
The company knew it was going to have to come out fighting. 该公司知道自己必将挺身而战。