Fitness: the state of being physically healthy and strong 健壮;健康
a magazine on health and fitness
卫生与健康杂志
a fitness instructor/class/test
健美教练／班；健康合格检查
a high level of physical fitness
高水平体质
Quit: to stop doing sth 停止;戒掉
I've quit smoking.
我戒了烟。
Just quit it!
你就罢手吧！
We only just started. We're not going to quit now.
我们才刚刚开始，现在决不放弃。
