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
Apply as much force as is necessary.
需用多少力量就用多少。
Give a thief rope enough and he will hang himself.
多行不义必自毙。
Yes, it's going to be dry and sunny for the next two days.
听了，未来两天天气干燥、晴朗。