hard

adj.坚固的;坚硬的;结实的;难做的;难懂的;难以回答的;困苦的;艰苦的;艰难的

adv.努力地;费力地;艰难地;猛力地;猛烈地;彻底认真地

比较级： harder

最高级： hardest

派生词： hardness n.

相关介绍

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。