請給我些有關意外和劫案的詞語（英文）

意外
unexpected(意外的）; abrupt(突然的); accidental(偶然的); sudden(迅速而意外)
by chance(可能發生的); by accident(意外的）; out of the blue(未事先告知）
an accident （一宗意外）

劫案
robberies

意外
unexpected; abrupt; accidental; sudden
by chance; by accident; out of the blue
an accident
劫案
robberies

1.unexpected; abrupt; accidental; sudden
2.by chance; by accident; out of the blue
3.an accident
muggee

robbery

1.a robbery