adj. 严肃的，不爱玩的：不喜欢玩耍、开玩笑或参与娱乐活动的。
... 不可知论者 = agnostics 不可玩 = unplayful 不可玩 = unplayfully ...
... sober up 清醒起来 sedate 安静的 unplayful 严肃的 ...
There would be even more snow tomorrow. And in this wind and snow-filled gloom, and even in the marvelously buried street, there was something now unplayful.
不过我还是平生第一次信服了成年人的逻辑：明天的雪会更大呢，而且在这样风雪交加的阴暗天气里，即使在那被大雪神奇地掩盖着的街道上，有些东西现在也没什么好玩的。