(hard / hot) on sb's / sth's heels
紧跟;紧接在后
very close behind sb / sth; very soon after sth
News of rising unemployment followed hard on the heels of falling export figures.出口数字下降之后紧接着就是失业率上升的消息。
at / on sb's heels
紧跟某人
following closely behind sb
He fled from the stadium with the police at his heels.他逃离了运动场,警察在后面紧追不舍。
释义来自《牛津高阶英汉双解词典》第 9 版