before somebody can say Jack Robinson
(faster|quicker) than {sb} (can|could) say Jack Robinson
before somebody can say jack robinson
01
还没反应过来, 一眨眼
so suddenly or quickly that leaves one with no time to react or notice anything
幽默
习语
非正式
例子
Before I could say Jack Robinson, the dog had grabbed the sandwich and run off.
我还没反应过来,狗就叼起三明治跑了。



























