cudgel one's brains 苦思
cudgel one's brains for 绞尽脑汁
to cudgel one's brains 绞脑汁
think hard cudgel one's brains 苦苦地思索
Cudgel one's brains for climbs grid, cigarette receives.
绞尽脑汁爬格子，香烟一支接一支。
youdao
After the doctor knows, cudgel one's brains for recalled a way eventually.
医生知道后，绞尽脑汁终于想出了个办法。
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