[] investigate (sth) | investigate how/what/whether etc.to carefully examine the facts of a situation, an event, a crime, etc. to find out the truth about it or how it happened 调查；侦查◆Inspectors were asked to investigate possible instances of insider dealing in the City. 人们要求检查员调查伦敦商业区可能出现的内幕交易。◆The Board hired a law firm to investigate. 董事会聘请了一家律师事务所进行调查。
[] investigate sb (for sth)to try to find out the truth about the activities of a person or company suspected of having done sth wrong or illegal 调查◆He has been investigated for fraud. 他因诈骗受到调查。
▸investigation /ɪnˌvestɪˈgeɪʃn/
noun
[, ]◆The company faces an investigation into its accounting practices. 这家公司面临对其会计事务的调查。◆The firm is under investigation by the U.S. Justice Department. 这家公司正接受美国司法部的调查。▸investigator /ɪnˈvestɪgeɪtə(r)/