Definition: to try to discover all the facts about something, especially a crime or accident Level: B2
警方正在调查社区内发生的一系列盗窃案。
The police are ___investigating a series of thefts in the neighbourhood.
已成立一个委员会来调查此次安全漏洞的成因。
A committee has been set up to ___investigate the cause of the security breach.