英文問題all of a sudden

all of a sudden= 突然間

100% SURE ~~ I live in Canada. My colleagues say that all the time.

請先参考以下網頁的解釋及例句:
http://esl.about.com/library/glossary/bldef_a_11.htm
Definition: unexpectedly; by surprise
Explanation: Used when talking about something that happened that you didn't expect.
Examples: All of a sudden, he became extremely angry. - We were having a nice talk, when, all of a sudden, she began to cry.
all of a sudden點解呢？
這可解作: 意外地，突然間，怱然間，非期望地。
以上第一個例句可譯為:
突然間，他變得怒氣沖天。

all of a sudden :
suddenly (意外地 / 忽然)