track down

He was determined to track down the cause of food spoilage.

他决心查出食品腐烂的原因。

The criminal was tracked down and knocked off by the police.

那个被警察追到后, 被逮起来了。

All citizens should help the police in tracking the criminals down.

所有市民都应该帮助警察追。

Equipped with a Corellian JumpMaster 5000 christened the Punishing One, Dengar was a one-man judge, jury and executioner tracking down criminals of the New Order.

丹加配备艘取名为「号」的科瑞利安跳跃者5000型船舰，人兼具审判、陪审团和刽子手，在新秩序时期追。