Ness chased the thief down and held him until police arrived. [VERB noun PREP.]

内斯追上小偷，按住他，一直等到警察赶到。

For thousands of years chasing down game was the main activity in which humans were involved. [VERB PREP. noun]

狩猎是数千年中人类从事的主要活动。

That's when I chased her down to be the singer in my band. [VERB noun PREP.]

就是那时候，我找到了她，让她在我的乐队里担任歌手。

Bank officials argued that it is not their job to chase down every asset of every bank debtor. [VERB PREP. noun]

银行官员称，他们没有义务追踪每个贷款户的每笔资产。