That mouse will have a tail (i.e. The thing will have a long train of consequences).

那只老鼠会有一条尾巴(也就是说,这个东西会有一系列的后果)。

相关名言

I hope we never lose sight of one thing: it was all started by a mouse.

我希望我们永远不要忘记一件事:这一切都是由一只老鼠引起的。

A girl with cotton stockings never sees a mouse.

穿棉袜的女孩永远也见不到老鼠。