quick as a flash

• 一下子

quick as a flash的用法和样例：

例句

1. The humor of it is not to be absorbed in a hurry.
   其中的幽默不是一下子能领会的。
2. She solved the problem at a stroke.
   她一下子解决了问题。

词汇搭配

• as quick as a flash 快如闪电般地...