run-hard的意思|示意

But you should run hard enough at the end to accustom your body to the late-race fatigue of the marathon.

你应该在将近结束时跑得卖力一点，这样会使你的身体适应马拉松比赛时后期的疲惫感。

Modern health and safety rules, for example, make it hard to run a scrap-metal business.

例如说，现代的健康与安全法规使得从事废旧金属回收不那么容易。

A hard run is any run where you run relatively fast or hard or long.

一次上强度的跑步意思是说你跑得很快或者很苦或者很长。

Tom cannot run as his friends, so he practices running very hard.

汤姆不能像他的朋友们那样跑，所以他努力练习跑步。

You may make good grades by studying only before examinations, but you will succeed in the long run by studying hard every day.

你考试前才看书也许会取得好成绩，不过你若每天努力学习最终定会成功。

Always use the hard-easy rule - if you run hard one day, rest or do a very easy recovery run the next.

记住要遵循强-弱的规则——如果今天你上强度了，那么明天就应当休息或者很轻松的恢复性跑。