Definition
To think very hard or struggle to remember something that one has forgotten.
絞盡腦汁
I had to cudgel my brains to remember where I had left my keys.
我不得不絞盡腦汁回想我把鑰匙放在哪裡。
He was cudgeling his brains to find an answer to the question.
他正絞盡腦汁尋找問題的答案。
She was cudgeling her brains to recall what happened last night.
她正絞盡腦汁回憶昨晚發生了什麼事。