聪明的英语单词是intelligent、bright。
参考例句：
1、The famous mathematician is brainiac who would rather work on solving complex mathematical problems than sleep at night.
这位著名数学家十分聪明和勤奋，宁愿晚上不睡觉，也要解开复杂的数学难题。
2、He was clever, bad-tempered, and overbearing.
他聪明，暴躁，专横。
3、His older brother exceeds him in intelligence.
他的哥哥比他聪明。
4、He is clever, to be sure,but not very hard-working.
他聪明是聪明，但是不怎麽勤奋.
5、Be wisely worldly, be not worldly wise.
要聪明地世故，不要世故地聪明。
6、John was both clever and quick in the uptake.
约翰既聪明，理解能力又强。
7、Learned men are not necessarily wise.
博学者未必都是聪明的。
8、Intelligent as you are, I suspect you will fail.
尽管你聪明，我还是猜想你会失败。
9、They developed an intelligent solution to this problem.
针对这个问题，他们采用了非常聪明的解决方法。
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