hard的副词：hard ；
例句：
Thats a very hard question.
那是个很难的问题。
Our water is very hard.
我们的水很硬。
扩展资料
People tend to work hard at this stage of life.
人在这个人生阶段往往发奋努力。
Her job is hard work, but the pay is good.
她工作虽辛苦，但薪水不低。
When I left they were all still hard at it.
我离开的时候他们都还在努力工作。
