| 单词 | rack-ones-brains |
| 释义 | rack one's brains in British Englishto strain in mental effort, esp to remember something or to find the solution to a problem rack one's brains in American English to try very hard to remember or think of something Definition of 'rack one's brains' |
| 随便看 |
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。