beat your brains out
成語所屬單字beat
beat your brains out — 慣用語
1. To think very hard about something for a long time.
1.慣用語
釋義
絞盡腦汁
To think very hard about something for a long time.
例句
I beat my brains out trying to solve the puzzle.
Sara beat her brains out all night for the exam.