that's true of 这是真的
But that's true of any job.
不过哪份工作不是这样。
That's true not just of the rich, but of anyone who strives for success.
这不只对富人是真的，对每个为成功奋斗的人来说都是真实的。

fool around 鬼混
I'm going to go home, relax, spend some time with my family, catch up with old friends, and fool around with my boyfriend.
我要回家放松一下，花时间和家人团聚，见见老朋友，然后去男友那儿混日子。
It was a serious academic school, not a place to fool around.
这是个有学术氛围的学校，不是让你去胡闹的。

unbelievable 不可相信的;站不住脚的;（由于太好或太糟而）令人难以置信的
Then she was rewarded with unbelievable news.
她收到了难以置信的新闻褒奖。