pay off
（某行动）取得成功；带来好结果
If an action pays off, it is successful or profitable after a period of time.
如果一项活动有回报，那么一段时间后，它就会成功或盈利。
Sandra was determined to become a doctor and her persistence paid off.
桑德拉决心成为一名医生，她的坚持不懈终于带来了成功。
I hope what we have done will pay off.
我希望我们做的会有回报。

A:Hey,you look great!How's everything?
嗨，你看起来状态不错，最近怎么样？
B:Yes,you know what? I've been going to the club regularly.The training really pays off. Now I'm in a good shape and I know more about how to keep fit.
是的，你知道吗，我最近经常去健身俱乐部。锻炼确实很有用，我现在身材不错，还学到很多保健知识。
A:Really?tell me about it.I haven't gone to the club for a long time.I'm too busy with work.
真的吗？跟我说说。最近工作忙，我已经很久没有去俱乐部了。
B:It's important to do proper exercises.
适当锻炼很重要。
A:You're right.Too much or too little won't do any good.
没错，太多太少都不好。
B:The trainer tells me,besides regular sports activities,I should also have a healthy and balanced diet.
教练告诉我，除了经常锻炼，还应该有健康均衡的饮食习惯。
A:Sounds reasonable.
有道理。
B:We should eat more vegetables instead of junk food to stay energetic.
我们应该多吃蔬菜，少吃垃圾食品，这样才能精力充沛。
A:And fruits.
还有水果。
B:Surely it is.Getting enough sleep is also crucial for fitness.My trainer also advises me to stay in a good mood.That can help me to keep sound physical health.
当然。足够的睡眠对健康也很重要。我的教练还告诉我要有一个好心情，心情好身体就会健康。