| 1 | 研究 | 研究 | yán jiū | yan2 jiu1 | research; a study; Classifiers: 项 ; to research; to look into | | |
| 2 | 究竟 | 究竟 | jiū jìng | jiu1 jing4 | to go to the bottom of a matter; after all; when all is said and done; (in an interrogative sentence) finally; outcome; result | | |
| 3 | 研究所 | 研究所 | yán jiū suǒ | yan2 jiu1 suo3 | research institute; graduate studies; graduate school; Classifiers: 个 | | |
| 4 | 研究生 | 研究生 | yán jiū shēng | yan2 jiu1 sheng1 | graduate student; postgraduate student; research student | | |
| 5 | 追究 | 追究 | zhuī jiū | zhui1 jiu1 | to investigate; to look into | | |
| 6 | 终究 | 終究 | zhōng jiū | zhong1 jiu1 | in the end; after all is said and done | | |
| 7 | 究 | 究 | jiū | jiu1 | after all; to investigate; to study carefully; Taiwan pr. [jiu4] | | |
| 8 | 研究者 | 研究者 | yán jiū zhě | yan2 jiu1 zhe3 | investigator; researcher | | |
| 9 | 探究 | 探究 | tàn jiū | tan4 jiu1 | to investigate; to delve; to probe; to enquire into; to look into | | |
| 10 | 根究 | 根究 | gēn jiū | gen1 jiu1 | to investigate (sth) thoroughly; to get to the bottom of | | |
| 11 | 发展研究中心 | 發展研究中心 | fā zhǎn yán jiū zhōng xīn | Fa1 zhan3 Yan2 jiu1 Zhong1 xin1 | Development Research Center (PRC State Council institution) | | |
| 12 | 查究 | 查究 | chá jiū | cha2 jiu1 | to follow up a study; to investigate | | |
| 13 | 盘根究底 | 盤根究底 | pán gēn jiū dǐ | pan2 gen1 jiu1 di3 | lit. to examine roots and inquire at the base (idiom); to get to the bottom of sth | | |
| 14 | 欧洲核子研究中心 | 歐洲核子研究中心 | ōu zhōu hé zǐ yán jiū zhōng xīn | Ou1 zhou1 He2 zi3 Yan2 jiu1 Zhong1 xin1 | European Organization for Nuclear Research CERN, at Geneva | | |
| 15 | 可行性研究 | 可行性研究 | kě xíng xìng yán jiū | ke3 xing2 xing4 yan2 jiu1 | feasibility study | | |
| 16 | 差不究竟 | 差不究竟 | chà bu jiū jìng | cha4 bu5 jiu1 jing4 | to not be far from the mark (idiom) | | |
| 17 | 作业研究 | 作業研究 | zuò yè yán jiū | zuo4 ye4 yan2 jiu1 | operations research | | |
| 18 | 考究 | 考究 | kǎo jiū | kao3 jiu1 | to investigate; to check and research; exquisite | | |
| 19 | 究其根源 | 究其根源 | jiū qí gēn yuán | jiu1 qi2 gen1 yuan2 | to trace something to its source (idiom) | | |
| 20 | 古根罕喷喷气推进研究中心 | 古根罕噴噴氣推進研究中心 | gǔ gēn hǎn pēn pèn qì tuī jìn yán jiū zhōng xīn | Gu3 gen1 han3 pen1 pen4 qi4 tui1 jin4 yan2 jiu1 zhong1 xin1 | Guggenheim Aeronautical Laboratory at the California Institute of Technology (GALCIT, from 1926); Guggenheim jet propulsion center (from 1943) | | |
| 21 | 究根问底 | 究根問底 | jiū gēn wèn dǐ | jiu1 gen1 wen4 di3 | to get to bottom of sth. (idiom) | | |
| 22 | 分析研究 | 分析研究 | fēn xī yán jiū | fen1 xi1 yan2 jiu1 | analysis; research | | |
| 23 | 干细胞研究 | 幹細胞研究 | gàn xì bāo yán jiū | gan4 xi4 bao1 yan2 jiu1 | stem cell research | | |
| 24 | 既往不究 | 既往不究 | jì wǎng bù jiū | ji4 wang3 bu4 jiu1 | to forgive sb.'s past misdeeds; to let bygones be bygones (idiom) | | |
| 25 | 集体研究 | 集體研究 | jí tǐ yán jiū | ji2 ti3 yan2 jiu1 | team research | | |