Rack one's brains
辅助 Assistant绞尽脑汁
🧩 词语组成解析
rack
[ræk]
n. 行李架;支架;刑架;（羊、猪等带前肋的）颈脊;
vt. 使痛苦，使焦虑;剥削，榨取;用刑拘折磨;
a. 人们的；自己的
n. 智力, 脑髓\\n[法] 智能, 智囊
🗣️ 情景例句
She wears too much make-up.
她妆化得很浓。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
He was amused too, because he never expected the bicycle to be found.
但又感到非常好笑，因为他从未指望那辆自行车还能找到。