调查: investigate; examine; inquir ...深入: go deep into; penetrate into了解: understand; comprehend; acqu ...研究: study; research调查，深入了解: look into深入了解: in-depth knowledge深入了解民情: go deep among the masses; go deep among the people精确地；深入了解，测水深: plum先要深入了解他: eat a peck of salt with a man before you trust him深入调查研究: in-depth investigation and research; in-depth investigation and study深入研究或调查: pursue or investigate closely take further action after进行深入的调查研究: make a deinvestigation and study深入调查: in depth investigation; searching enquiry进入；深入研究: go into深入的研究: an indepth studyy深入研究: delve; examine in depth; in-depth research; in-depth study; intensive study; lucubrate钻研, 深入研究: delve into调查,了解某事: see into sth窥视,调查,了解: look into研究,调查: investigate; look into; research调查研究；调查: investigate v. make a careful study of深入研究某事: to delve into sth调查，窥视，了解，向里看: look into调查, 调查研究, 审查: investigating深入细微的研究: intensive study
