炯炯有神

jiǒngjiǒngyǒushén
(idiom) (of eyes) bright and full of spirit; shining with vitality and presence

CEDICT

形容目光明亮而有精神。

重編國語辭典

Entry Composition

1 炯炯 jiǒngjiǒng (literary) (of eyes) bright; shining
2 有神 yǒushén
  1. bright and piercing; sparkling
  2. having God
  3. wonderful; fantastic