搜索枯肠的英文单词

“搜索枯肠”对应的英文单词有：

s brains (for fresh ideas or apt expressions)；rack [ransack] one'；s brains；s brains (to do ...)；beat [cudgel] one'；rack one'；s mind for sth. -- a self-depreciatory phrase of a man of letters；scratch through one'