Unforeknown
a. 事先不知的,未被料到的
??? 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一種樂趣，除非一天其中一根火柴不幸燃燒起來。
I wasn't serious, I meant it as a joke.
我并非有意，我只是開個玩笑而已。
And, because most books were not printed in Braille.
因為大多數的書本沒用布萊葉文印刷。