fun and games

基本解释

It wasn't all fun and games.
并非只有欢乐和游戏。
Some are fun and games while others hold lots of value.
有些软件属于娱乐和游戏类，其他一些则很有实际价值。
Disney movies aren't all fun and games. Sometimes, these kid-friendly movies are filled with some incredibly depressing moments.
迪斯尼的电影并不都是充满欢乐和游戏，但有时，这些“少幼咸宜”电影却充满了让人难以置信的悲情时刻。

(THE BEACH BOYS - "ALL SUMMER LONG") However,for some teenagers, summer vacation was not all fun and games.
But at the end of the day, the point of the slides is not to expect you to now go write programs in C but really to just remind you that, hey, if you ever get distracted from some of the minutia that is the semicolons, parentheses, and what is very new to many of you, it's really no different than the fun and games we implemented with Scratch last week.
但是最终，我们课件上讨论的主题,并不是让你现在就写一个C语言的程序,而是要告诉大家不要你被那些分号括号,还有一些从未见过的符号等一些细节搅得心烦意乱，因为它们本质上,和我们上周用Scratch做出来的游戏,并无区别。
哈佛公开课 - 计算机科学课程节选
Professor Neirotti told VOA she meets with the students well in advance and warns them that the Olympic trips are not about fun and games.

The trip wasn't going to be all fun and games--at least not for the old man.
FORBES: The Laptop Lament