examine carefully, or inquire about the reasons for (sth), the character of (sb), etc.
"Let's investigate the syntax of Chinese"
"The district attorney's office investigated reports of possible irregularities"
"inquire into the disappearance of the rich old lady"
Police and fire brigade officials are investigating the cause of the fire.
出自:Dumfries Courier
R. B. Haldane..as a member of the Home Office committee investigating prisons had access to any prison.
出自: R. Ellmann