在汉语里，有人开玩笑用 “举铁” 来幽默地表示 “通过举重来锻炼身体”。与之相对应的英语搭配是 “pump iron 举重健身，做重量训练”，这个搭配用动词 “pump 打气” 来比喻举重时身体和四肢上下运动的样子；名词 “iron 铁” 代指 “哑铃、杠铃等重物”。“Pump iron” 是一个口语说法。

例句

You don't need to spend hours pumping iron in the gym to be healthy. There are lots of other forms of exercise that help you stay strong and fit.

你不必花大量的时间去健身房做重量训练来保持健康。你还可以通过很多其它的方式来强身健体。

My brother is a firefighter and he needs to stay strong for his job, so pumps a lot of iron in the gym.

我哥哥是一名消防员，他需要保持强壮的体魄来完成他的工作，所以他常去健身房举重锻炼。

Have you seen that tennis player's arms? She's been pumping iron! Her arms used to be really skinny.

你看见那个网球运动员的手臂了吗？她一直在做重量训练！她的手臂以前特别纤细。