| 勤 |
qín kǔ | hardworking / assiduous |
| 勤 |
qín | diligent; industrious; hardworking / frequent; regular; constant / (bound form) work; duty; attendance |
| 勤 |
qín | (literary) diligent; industrious; hardworking (variant of 勤) / (literary) solicitous; attentive |
| 苦 |
kǔ | bitter / hardship / pain / to suffer / to bring suffering to / painstakingly |