rack [beat] one's brains;rack one's wits about [with] sth.;task one's mind;cudgel one's brains for;rack one's brains ;

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。
来源:《柯林斯高阶英汉双解学习词典》整整一晚我辗转反侧,绞尽脑汁,想弄明白是什么原因竟能促成这个年轻人自杀.
来源:《简明英汉词典》I worked myself into frenzy plotting ways to make him jealous.
我绞尽脑汁,处心积虑,就是为了让他嫉妒。
来源:《柯林斯高阶英汉双解学习词典》Shelton watched her, racking his brains to find excuses for that fatal laugh.
谢尔顿注视着她, 绞尽脑汁要找个借口来解释刚才那致命的一笑.
来源:词典精选例句
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