expression, ichidan verb
have sparkling eyes; have shining eyes; have a gleam in one's eyes
Describes eyes that are bright with excitement, joy, curiosity, or anticipation. Often used figuratively to show strong positive emotion.
子どもたちはプレゼントを見て目を輝かせた。
The children's eyes sparkled when they saw the presents.
彼は新しいプロジェクトの話をするとき、いつも
His eyes always light up when he talks about his new project.