闪光灯能在眼睛中制造反光，然双目有神采，但是拍摄距离要很近，并且有吓跑动物的可能。

A little flash can create a nice reflex on the eye, but you have to be quite close to use it and risk frightening the animal.

youdao

另一边坐的是奥斯特曼—托尔斯泰伯爵，他把棱角英武双目有神的头颅托在宽大的手掌上，流露出一副沉思的样子。

On the other side, resting his broad head on his hand, sat Count Osterman-Tolstoy, with his bold features and brilliant eyes, apparently plunged in his own thoughts.

youdao

他双目炯炯有神。

He has a pair of bright piercing eyes.

《新英汉大辞典》