| 词汇 | 业精于勤 |
| 释义 | 业精于勤业精于勤[yè jīng yú qín]1.■Efficiency comes from diligence.; Excellence in work is possible only with diligence.; Rich knowledge and great ability come from diligence [learning].; The essential of work is diligence.; The progress of [in] studies comes from hard work. |
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