To describe individuals with limited abilities who nonetheless strive diligently for improvement and progress.
他虽然基础薄弱，但一直搦朽磨钝，从不放弃学习，最终取得了显著进步。
Although his foundation was weak, he always strove diligently despite his limitations, never giving up on learning, and eventually made significant progress.
Era:
Ancient
Frequency:
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