Translation of "Investigate" in Chinese

We have to thoroughly investigate it.

我们必须把它彻底检查一下。

A committee was constituted to investigate prices.

为了调查物价，成立了一个委员会。

- He gave out that he would come over at once and investigate the matter.
- He announced that he would come at once and investigate the matter.

他宣布他將立刻來調查此事。

He works at a scientific institute where linguists, literature scholars, historians, sociologists, economists, and other scholars investigate everything that has to do with gnomes.

他在一家科學機構工作，在那裡有語言學家，文學學者，歷史學家，社會學家，經濟學家和其他學者探討一切有關侏儒的事。