brilliancy n. 卓越,光辉；
delinquency n. 失职，罪行；
chancy a. 冒险的；危险的
例句：
He had no history of delinquency.
他没有犯罪记录。
Fancy! She's never been in a plane before.
真想不到！她竟然从未坐过飞机。
She got the highest score in fancy diving.
她在花式跳水中得了最高分。
You can't hear waves of such a high frequency.
你听不到这么高频率的声波。