突然，他跑了进来。

___All ___of ___a ___sudden, he came running in.

突然，一个奇怪的生物出现在了他的梦里。

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

卡车突然急转弯以避开一只鹿。

___All ___of ___a ___sudden, the truck swerved to avoid a deer.