| 后勤HSK 6 | hòu qín | logistics | |
| 辛勤HSK 6 | xīn qín | hardworking; industrious | |
| 勤奋HSK 5 | qín fèn | hardworking; diligent | |
| 勤劳HSK 6 | qín láo | hardworking; industrious; diligent | |
| 执勤 | zhí qín | to be on duty (of a security guard etc) |
| 1 | He works very hard. | |
| 2 | He is indeed very hardworking. | |
| 3 | That woman is very hardworking. | |
| 4 | The workers work hard every day. | |
| 5 | Both ability and diligence are essential. |