辛勤
xīn qín · HSK 7
hardworking
🐝 辛 toil/bitter + 勤 diligent = diligent through hardship; busy as a bee
辛 carries the sense of bitter, hard toil; 勤 means diligent or industrious. Together 辛勤 (xīn qín) describes someone who works hard and steadily despite difficulty. The qín of 勤 is the same diligent root used in 勤奋.