| 单词 | 老大难 |
| 释义 | 老大难 lǎo-dà-nánlong-standing, big, and difficult (problem)老大难complex and problematic老大难问题 knotty problem老大难单位 problematic work unit老大难 lǎo dà nán long-standing, big and difficult (problem): 老大难单位 unit long considered a tough nut to crack; u |
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英汉汉英词典包含3953260条英汉及汉英翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。