每日听写10.28初级玩忽职守

And neither one is more common than the other. 
两者都很常见。
So, feel free to take your pick!
所以，请随意挑选！
As we said earlier, this expression refers to someone who has fallen asleep while driving a vehicle. 
正如我们前面所说的，这个短语指的是开车时睡着的人。
We have a similar expression that relates to someone falling asleep while operating a train.
我们有一个类似的短语，与在驾驶火车时睡着的人有关。
That expression is “to fall asleep at the switch.” 
这个短语是“to fall asleep at the switch”。
Here, “switch” refers to the controls on the train. 
这里的“switch”指的是火车上的控制器。
Note that “falling asleep at the switch” is less commonly used.
请注意，“falling asleep at the switch”不太常用。
And that is all the time we have for this Words and Their Stories.
以上就是本期《词汇掌故》节目的全部内容。