1.CrossFit athletes, however, say that a good trainer can help people work out safely and avoid injuries.
work out 解决;算出;实现;制定出;消耗完;弄懂;锻炼
I really think that this interesting scheme will work out.
我确实认为这个有趣的方案可能成功 。
These athletes work out at the gym for two hours every day.
这些运动员每天都要在体育馆锻炼两个小时 。