| 词汇 | 苦心孤诣 |
| 释义 | 苦心孤诣 ku xin gu yi ㄎㄨˇ ㄒㄧㄣ ㄍㄨ ㄧˋ 1.to make extraordinarily painstaking efforts; to do something with painstaking efforts; to achieve a deep understanding through diligent studies |
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