rack one's brains 殚思极虑 ; 绞尽脑汁 ; 费尽心血 ; 挖空心思
Rack their brains 挖空心思 ; 绞尽脑汁
Rack your brains 绞尽脑汁
rack one's brains in scheming 费尽心机
to rack one's brains 挖空心思 ; 劳心 ; 劳心苦思 ; 绞尽脑汁
rack one' s brains 殚思极虑
rack ones brains 殚思极虑
Rack One's Brains To 机关算尽
Rack One's Brains In Vain 白费心机 ; 白费心思
to rack your brains 绞尽脑汁 ; 冥思苦想
She began to rack her brains to remember what had happened at the nursing home.
她开始绞尽脑汁地回忆在疗养院发生的事。
Don't think this job a piece of cake. You'll have to rack your brains once you start on it.
别以为这工作是易如反掌的事，你做了就知道它是很伤脑筋的。
While our compatriots rack their brains on how to get their 15 minutes of fame, and subsequent fortune, he has been hiding from the spotlight.
在别人绞尽脑汁思考如何在15分钟内名富双收的时候，他却躲在聚光灯之外。
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