He's such a workaholic that he doesn't know how to spend his leisure time.
他是个工作狂,以至于不懂得如何打发他的空闲时间。
It won't happen again.
下不为例。
On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiosity or for sport, as in riding the bow waves of a ship.