Dictionary › 刻苦钻研
刻苦钻研
kè kǔ zuān yán
What 刻苦钻研 means
- to study diligently
The characters in 刻苦钻研
- 刻kèquarter (hour); moment; to carve
- 苦kǔbitter; hardship; pain
- 钻zuānto drill; to bore; to get into
- 研yánto grind; study; research
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