| 字词 | 苦心孤诣 |
| 释义 | 苦心孤诣 kǔ xīn gū yì try hard to (do); make (have; register) a notable achievement after extraordinarily persistent and painstaking efforts; make extraordinarily painstaking efforts; notable achievement after persistent work; toil single-heartedly; with patience and enduring resolve; work with a bitter heart and make progress single-handed: 为了改造环境， 他苦心孤诣地制订了这个计划。 In order to transform their environment, he drew up the project with painstaking accuracy. |
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