HSK 3.0 11000 CHINESE WORDS
1 考 kǎo study, inspect, give test, inspection, give, give/take test, test, investigate, verify, take test, give or take an examination, quiz, check 2 查 chá look into, consult, look up, search, investigate, consultation, audit, examination, investigation, check, examine 3 调 diào to transfer, to move (troops or cadres), to investigate, to enquire into, accent, view, argument, key (in music), mode (music), tune, tone, melody, to harmonize, to reconcile, to blend, to suit well, to adjust, to regulate, to season (food), to provoke, to incite 3 调查 diàochá investigate, look into, survey 6 查出 cháchū find, look_up, smell, investigate, find_out, find out, smoke_out, detect, track_down, smoke out, examine 6 调研 diàoyán to investigate and research, research, investigation 6 审查 shěnchá examine, investigate 6 追究 zhuījiū to investigate, to look into 7 查处 cháchǔ to investigate and handle (a criminal case) 7 查明 chámíng to investigate and find out, to ascertain 7 检察 jiǎnchá to inspect, (law) to prosecute, to investigate 7 探求 tànqiú to seek, to pursue, to investigate 7 侦察 zhēnchá to investigate a crime, to scout, to reconnoiter, reconnaissance, detection, a scout 7 追问 zhuīwèn to question closely, to investigate in detail, to examine minutely, to get to the heart of the matter
ENGLISH 6000 THEME WORDS
OXFORD 5000 CORE WORDS
investigate B1 v.
TANAKA 6000 CORE WORDS
investigate
khảo tra 
investigate
[ khảo ] : to do research; to examine, test (students); torture, extort
[ tra ] : (1) to consult, look up; (2) to fit in; (3) to add; (4) to apply
That man is being investigated. Người đàn ông đó đang bị điều tra. Verbs 5
being investigated bị điều tra Verbs 5
investigate điều tra Verbs 5
khảo tra investigate [ tra ] : (1) to consult, look up; (2) to fit in; (3) to add; (4) to apply