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
I ofter go shopping during National Day holiday.
我经常是在国庆节购物。
He who rides a tiger is afraid to dismount.
骑虎者难下。
He has a bad cold,MR.Williams,
他得了重感冒，威廉斯先生，