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 don't have time to take any elective classes.
我没有时间去上任何选修课。
How many slices are you going to use?
你要用几片？
I see, we'll take another look at your specifications.
哦，我们会再查一直你们的规格说明书。