在这场危机中，我们必须迅速行动——不能玩忽职守。

In this crisis, we must act quickly - we can't be ___playing ___games.

谈判人员警告说，恐怖分子不是在开玩笑，要求立即采取行动。

The negotiators warned that the terrorists were not ___playing ___games and demanded immediate action.

在环境保护方面，政府不应拿子孙后代的未来开玩笑。

When it comes to environmental protection, governments should not ___play ___games with future generations.