1
sb be brainy
非正式用语，常用于口语。
She is very brainy.
她很聪明。
聪明的，脑筋好的
先理解核心含义，再看它在真实句子里的用法。
聪明的，脑筋好的
having or marked by unusual and impressive intelligence
She is very brainy.
她很聪明。
非正式用语，指人很聪明
具有或表现出非凡和令人印象深刻的智力
having or marked by unusual and impressive intelligence
My younger sister is so brainy that she finished her homework in ten minutes.
我妹妹非常聪明，十分钟就做完了作业。
The brainiest student in the class solved the puzzle first.
班上最聪明的学生最先解出了谜题。
He is brainy enough to understand complex theories without much effort.
他足够聪明，不用太费力就能理解复杂的理论。
非正式用语，常用于口语。
She is very brainy.
她很聪明。
He is a brainy student.
他是个聪明的学生。
比较级形式为brainier，最高级为brainiest。
My sister is brainier than me.
我姐姐比我聪明。
Not this
He is very brain.
Use this
He is very brainy.
“brain”是名词，表示“大脑”；而“brainy”是形容词，表示“聪明的”。学习者误将名词用作形容词，应使用形容词形式“brainy”。
Not this
She is brainy and can lift heavy weights.
Use this
She is brawny and can lift heavy weights.
“brainy”意为“聪明的”，与体力无关；“brawny”意为“强壮的”，描述体力。学习者混淆了形近词，应使用“brawny”来表达体力强壮。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
聪明的学生
She was always the brainy student in class.
她一直是班上聪明的学生。
聪明的小孩
Even as a brainy kid, she loved solving puzzles.
即使是个聪明的小孩，她也喜欢解谜。
聪明的科学家
The brainy scientist explained the theory simply.
那位聪明的科学家把理论解释得很简单。
聪明人
Brainy people often ask thoughtful questions.
聪明人常常提出有深度的问题。
聪明的那个人
My brother is the brainy one in the family.
我哥哥是家里最聪明的那个人。
聪聪
Brainy Smurf is a famous character from The Smurfs cartoon, easily recognized by his glasses and his love of giving unsolicited advice based on books.
聪聪是《蓝精灵》动画片中的著名角色，戴着眼镜，喜欢根据书本内容给别人提建议，很容易辨认。
Use brainy naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
brain（大脑）+y，脑子里装满了知识，就是“聪明的”。
语域：informal 常见场景：日常口语、非正式写作 brainy 多用于非正式场合，指“聪明的、有才智的”。正式语境中更常用 intelligent 或 brilliant。
非正式用语，指聪明的、有才智的
Dictionary facts from ECDICT, WIKTIONARY.