1.all of a sudden 突然地，突如其来地，猛然地
（1）All of a sudden we heard an unearthly cry. 我们突然听到一声怪叫。
（2）The wind dropped all of a sudden. 风突然停了下来。
相关解析：sudden adj. 突然的，未预见到的； 急躁的，仓促的； 快的，迅速的； 急剧
2. all over again 再一次,重新
（1）If the worst comes to the worst , we'll start all over again.大不了再从头开始。
（2）I'll have to write it all over again. 我得从头再写一遍。
3. all over 遍及
（1）Immigrants from all over the world populate this city.这个城市里生活着来自世界各地的移民。
（2）Graduates from our school are working all over the island. 我们学校的毕业生在全岛各地工作。
拓展： 同义词 around/throughout/everywhere
（1）She travels in cyberspace by sending messages to friends around the world. 她利用电子空间给世界各地的朋友们发送信件。
（2）On 2 April 1916 air - raid warnings sounded throughout Edinburgh. 1916年4月2日空袭警报响彻了整个爱丁堡。
（3）Decorations are hanging up everywhere in the city on Spring Festival. 春节期间城里到处张灯结彩。
4. all right 令人满意的;可以
（1）Is she getting along all right in her new job? 她在新的工作岗位上情况不错吧?
（2）The trainee checked out all right on his first flight. 受训者第一次飞行完全合格。
5. all the same 仍然,照样的
（1）Thank you all the same. 尽管如此,还是要谢谢你。
（2）All the same, he'd come to get his tooth fixed. 尽管如此, 他是为了治牙才来的。
（1）He was writing his essay when, all of a sudden, he was seized with giddiness.
（2）But if I could, I'd do it all over again.
（3）He was very well thought of all over the district.
（4）Have a smell of this wine, does It'smell all right?
（5）He's a bit naughty, but I like him all the same.