俗话

He was, as the saying goes, as mad as a hatter.

正如俗话说的，他疯狂得像一个制帽匠。

The experts agree with the old saying that you should never put anything smaller than your earbob elbow in your ear.

俗话说，你不可以把任何小于你肘部的东西放入耳朵，专们也同意这个说法。