| 单词 | (you can't) teach an old dog new tricks |
| 释义 | ● (you can't ) teach an old dog new ˈtricks (saying ) (you cannot ) successfully make people change their ideas , methods of work , etc ., when they have had them for a long time 老大（不）可教；（无法）改变人们长时间形成的思想（或做事方法等）See also dog |
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英汉词典包含238766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。