It is easier to fall off the log than to stay on it.

VOA: special.2009.06.07

And their meaning is as easy to understand as "falling off a log."

VOA: special.2009.06.07

In fact,it would be as easy as "falling off a log".

VOA: special.2009.06.07

"As easy as falling off a log" is one such expression.

VOA: special.2009.06.07