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LnFA_ZgG_UsNjyNn。

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C|vG-u,=F)N*f。

yCX)vD6_vZk..G36K#bAs+nnqQY.X3z1q~Q5~Mk%om& 来源:可可英语 //www.utensil-race.com/broadcast/201404/290806.shtml