调查
A.transitive verb
① (inquire into) 调查 diàochá ‹crime, accident›
▸ they are being investigated
他们正在受调查
② (find out details about) 审查 shěnchá ‹candidate, motives, suspect, applicant›
③ (study) 调研 diàoyán ‹market, possibilities›
▸ it's worth investigating whether …
值得调查一下是否…
B.intransitive verb
进行调查 jìnxíng diàochá