Word: 刻苦 (kèkǔ) 刻苦 dictionary entry kèkǔ hardworking; assiduous Full dictionary entry for 刻苦 Example sentences using 刻苦 2 sentences, showing page 1 of 1. 他比您更刻苦。 Tā bǐ nín gèng kèkǔ. He's even more hardworking than you are. 她比您更刻苦。 Tā bǐ nín gèng kèkǔ. She's even more hardworking than you are.