having bright, sparkling eyes that show great spirit or energy; with eyes full of vitality
那位经验丰富的老师虽然年事已高，但他的眼睛依然炯炯有神，充满了对知识的热爱和传授的激情。
Although the experienced teacher was advanced in years, his eyes were still bright and full of spirit, reflecting his passion for knowledge and teaching.
Next Idiom