1.
one's eyes light up; to look at something with sparkling eyes
Describes the way someone's eyes shine with excitement, curiosity, or eagerness. Used to vividly convey enthusiasm or delight.
Usage
Typically used in narrative and descriptive contexts to convey visible excitement or delight. The subject whose eyes are sparkling is often a child, student, or someone encountering something new and exciting.
Always positive — conveys genuine enthusiasm, wonder, or eagerness. Frequently appears in writing about children, learners, or anyone experiencing something exciting for the first time.