| 单词 | you can't teach an old dog new tricks |
| 释义 | you can't teach an old dog new trickssaid tomeanthat it is verydifficulttoteachsomeone newskillsor tochangesomeone'shabitsorcharacter 年老难学艺；本性难移Habitual behaviour
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英汉双解词典包含207842条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。