聪颖的英语翻译为intelligent.
词典释义：
intelligent，adj. 智能的；聪明的；理解力强的
bright，adj. 明亮的，鲜明的；聪明的；愉快的；adv. 明亮地；光明地；欢快地；n. 车头灯光；n. (Bright)人名；(英)布赖特
clever，adj. 聪明的；机灵的；熟练的；[ 比较级cleverer 最高级 cleverest ]
双语例句：
1、令人惊讶地，这名男童天资聪颖，十岁时便从大学毕业。
Amazingly, the boy was so?intelligent?that he graduated from college when he was only ten years old.
2、老师们发现他小时候就很聪颖。
Teachers spotted that he had a good brain at an early age.
3、她天资聪颖。
She was endowed with intelligence and wit.