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。

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

所有市民都应该帮助警察犯。

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

那个犯被警察到后, 被逮起来了。

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「重击号」的科瑞利安跳跃者5000型船舰，人判、陪团和刽子手，在新秩序时期犯。