| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024brained (brānd),USA pronunciation adj. - Zoologyhaving a particular type of brain (used in combination):small-brained dinosaurs.
- 1400–50; late Middle English; see brain, -ed3
WordReference Random House Learner's Dictionary of American English © 2024brain /breɪn/USA pronunciation n. [countable]- Anatomy, Zoologythe mass of nerve tissue in the head of humans and animals that is the center of the nervous system.
- Sometimes, brains. understanding;
intellectual power;
intelligence:He has a good brain for math. She sometimes acts as if she has no brains. - Slang Terms brains, Slang. [the + ~; used with a singular verb] a member of a group who is regarded as having the intelligence necessary to lead:Who was the brains behind this evil plot?
- Informal TermsInformal. an extremely intelligent person:She's a real brain in chemistry.
v. [~ + object] - Slang TermsSlang. to hit or bang on the head:What are you doing, braining your little brother?
Idioms- Informal Terms, Idioms beat or rack one's brains (out), [no object] Informal. to try very hard to work out a problem, remember something, etc.:beat her brains out trying to come up with a fair solution.
- beat someone's brains out, [no object] to injure by hitting or beating very hard, as by hitting on the head:She leaped on top of him and beat his brains out.
- Idioms pick someone's brains, to obtain information by questioning another person:didn't prepare for the exam but counted on picking his roommate's brains.
WordReference Random House Unabridged Dictionary of American English © 2024brain (brān),USA pronunciation n. - Anatomy, Zoologythe part of the central nervous system enclosed in the cranium of humans and other vertebrates, consisting of a soft, convoluted mass of gray and white matter and serving to control and coordinate the mental and physical actions.
- Zoology(in many invertebrates) a part of the nervous system more or less corresponding to the brain of vertebrates.
- Sometimes, brains. (used with a pl. v.) understanding;
intellectual power;
intelligence. - the brain as the center of thought, understanding, etc.;
mind;
intellect. - Slang Terms brains, a member of a group who is regarded as its intellectual leader or planner:The junior partner is the brains of the firm.
- Informal Termsa very intelligent or brilliant person.
- Computing, Informal Terms[Informal.]
- the controlling or guiding mechanism in a computer, robot, pacemaker, etc.
- the part of a computer system for coordination or guidance, as of a missile.
- Informal Terms beat one's brains out, to try very hard to understand and work out a problem, remember something, etc.:She beat her brains out studying for the exam.
- Idioms have something on the brain, to have an obsession;
be occupied with:Lately I seem to have food on the brain. - Idioms pick someone's brains, to obtain information by questioning another person rather than by seeking it independently:He refused to prepare for the exam but counted on being able to pick his roommate's brains.
v.t. - to smash the skull of.
- Slang Termsto hit or bang (someone) on the head.
- bef. 1000; Middle English; Old English bræg(e)n, bregen; cognate with Low German brägen, Dutch brein
- 3.See corresponding entry in Unabridged sense; capacity. See mind.
Collins Concise English Dictionary © HarperCollins Publishers:: brain /breɪn/ n - the soft convoluted mass of nervous tissue within the skull of vertebrates that is the controlling and coordinating centre of the nervous system and the seat of thought, memory, and emotion. It includes the cerebrum, brainstem, and cerebellum
- (often plural) informal intellectual ability: he's got brains
- informal shrewdness or cunning
- informal an intellectual or intelligent person
- (usually plural; functioning as singular) informal a person who plans and organizes an undertaking or is in overall control of an organization, etc
- an electronic device, such as a computer, that performs apparently similar functions to the human brain
- on the brain ⇒ constantly in mind: I had that song on the brain
vb (transitive)- to smash the skull of
- slang to hit hard on the head
Etymology: Old English brægen; related to Old Frisian brein, Middle Low German bregen, Greek brekhmos forehead |