A very bright light that is dazzling.
The brilliancy of the diamonds made them hard to look at.
鑽石的絢爛使它們難以直視。
Being very smart or quick-thinking.
His brilliancy in math helped him solve the tough problems.
他在數學上的才華幫助他解決了難題。
Being very good or successful at something.
Her brilliancy in ballet was praised by everyone.
她在芭蕾舞上的才華受到了大家的讚揚。