突然，他破门而入。

___All ___of ___a ___sudden, he came bursting in through the door.

突然，一个奇怪的生物出现在他的梦中。

___All ___of ___a ___sudden, a weird creature popped into his dream.

天气突然变了，开始下起大雨。

The weather changed ___all ___of ___a ___sudden, and it started to rain heavily.