从事研究

to do research / to carry out research

from / through / via / to follow / to obey / to engage in (an activity) / never (in negative sentence) / (Taiwan pr. [zong4]) retainer / assistant / auxiliary / subordinate / related by common paternal grandfather or earlier ancestor

to go for / to engage in / to undertake / to deal with / to handle / to do

matter / thing / item / work / affair / CL:件[jian4],樁|桩[zhuang1],回[hui2]

to grind / study / research

research / a study / CL:項|项[xiang4] / to research / to look into

after all / to investigate / to study carefully / Taiwan pr. [jiu4]