beat my brains out
我正绞尽脑汁 I am tracking my brain
我正在绞尽脑汁 I am racking my brains
我绞尽脑汁，处心积虑，就是为了让他嫉妒。
I worked myself into a frenzy plotting ways to make him jealous.
《柯林斯英汉双解大词典》
这个难题使我绞尽脑汁。
The difficult question tasked my brain.
youdao
我绞尽脑汁想找点事情消磨时间。
I've been racking my brains to think of some way to kill time.
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