Rack one's brain

来源: 于 2012-02-09 10:07:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

could be ...as 挖空 ,missed in E-C dictionaries.
Glad I solved new lines.

He was racked by doubts. 疑慮折磨著他。

盡力使用; 過度使用

Racking his brains, he couldn't think of a single example. 他絞盡腦汁卻連一個例子都想不出來。