rack your brains
collocation绞尽脑汁；苦思冥想
I racked my brains for a solution to the problem.
我绞尽脑汁想解决这个问题的方法。
折磨；使痛苦
先理解核心含义，再看它在真实句子里的用法。
折磨；使痛苦
to cause someone intense physical or mental pain; to torture
The constant pain racked his body, making it hard to sleep.
持续的疼痛折磨着他的身体，使他难以入睡。
放置或悬挂在架子上
To place in or hang on a rack.
驱动；移动；快速前进；搅动
To drive; move; go forward rapidly; stir.
通过排出或虹吸沉淀物来澄清啤酒、葡萄酒或苹果酒,从而阻止进一步发酵。
To clarify, and thereby deter further fermentation of, beer, wine or cider by draining or siphoning it from the dregs.
快速小跑,导致身体摇晃或摆动；慢跑。
To amble fast, causing a rocking or swaying motion of the body; to pace.
rack
Base
原形
racks
3rd person
第三人称单数
racking
-ing
现在分词
racked
Past
过去式
racked
Past participle
过去分词
They often rack their brains over difficult puzzles.
他们经常为难题绞尽脑汁。
The guilt racked him for years.
内疚折磨了他多年。
表示‘折磨’或‘使痛苦’时，常用于被动或反身结构。
She was racking her brain trying to remember where she put the keys.
她绞尽脑汁想记起把钥匙放在哪里了。
Guilt racks him every time he thinks about that incident.
每次想起那件事，内疚就折磨着他。
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绞尽脑汁；苦思冥想
I racked my brains for a solution to the problem.
我绞尽脑汁想解决这个问题的方法。
累积；获得；得分
She racked up 200 points in the first round.
她在第一轮就得了200分。
痛苦万分；备受折磨
He was racked with pain after the surgery.
手术后他痛苦万分。
受愧疚折磨；内心不安
She was racked by guilt for not telling the truth.
她因没有说出实情而内心不安。
把（台球）摆成三角形
You need to rack the balls before each game.
每局比赛开始前你都需要把球摆好。
绞尽脑汁
I racked my brain trying to remember her name.
我绞尽脑汁想记起她的名字。
积累，获得
The team racked up six goals in the first half.
球队在上半场就进了六个球。
破败，毁灭
The old house went to rack and ruin after years of neglect.
那栋老房子多年无人照料，已破败不堪。
把球摆好。
This phrase is a common command in billiards, used when placing the balls in the triangular rack to start a game. It is famously associated with pool-hall culture and appears in films such as The Hustler (1961) and The Color of Money (1986).
这个短语是台球中的常见指令，意思是开局前把球放进三角框摆好。它常与台球厅文化联系在一起，并出现在电影《江湖浪子》（1961）和《金钱本色》（1986）中。
Use rack naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象台球被摆上三角架（to rack the balls），又像刑架（rack）折磨人——一个 rack 记住‘上架’和‘折磨’两种画面。
语域：mixed 常见场景：书面或正式语境中描述身心痛苦、日常场景中把物品放到架子上、台球运动中摆放球的位置 rack 作动词时，表示“折磨/使痛苦”比较常见于书面或较正式的表达（如 racked with guilt）；表示“放上架子”“摆台球”时用法更中性、面向具体场景。正式度因搭配而异，不宜一概而论。
及物动词，后直接接宾语
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.