| 研究HSK 4 | yán jiū | research; a study; Classifiers: 项 ; to research; to look into | |
| 科研 | kē yán | (scientific) research | |
| 研制 | yán zhì | to manufacture; to develop | |
| 研讨会 | yán tǎo huì | discussion forum; seminar | |
| 研究所HSK 5 | yán jiū suǒ | research institute; graduate studies; graduate school; Classifiers: 个 |
| 1 | This issue requires in-depth research. | |
| 2 | This topic requires thorough research. | |
| 3 | The company is conducting market research. | |
| 4 | He enjoys delving into Japanese culture. | |
| 5 | They developed a new product |