| 单词 | have/know sth off pat |
| 释义 | have/knowsthoff pattoknowsomething so well that you can say or do it without having totryorthink 对…烂熟于心，对…了如指掌 I'd given thetalkso manytimesI had it off pat.这个讲座我讲的次数太多了，都烂熟于心了。 |
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。