The police did everything they could to try and track down the culprit, but he was never caught.警方竭尽所能追捕罪犯，但是始终没有抓到他。The detective impressed my motorcycle to pursue a criminal.警探征用我的摩托车去追捕罪犯。It is the job of the police to get after criminals.追捕罪犯是警察的职责。