hard

hard liquor.烈酒

I never touch the hard stuff (= strong alcohol )..我从来不喝烈酒。

hard work,努力工作；繁重的工作

work hard,努力学习；辛勤工作

study hard,努力学习

working hard,努力工作

hard on,严厉对待

hard disk,硬盘

try hard,adj. 努力

hard working,勤奋的；努力工作的

hard time,艰难的日子；艰难时刻；艰难时事

hard alloy,硬质合金

hard drive,（电脑）硬盘驱动器

hard rock,重摇滚；剧烈摇滚乐；硬质岩石

hard by,在近处

hard to say,很难说

the hard way,艰难地；避易就难地

play hard,行为卑鄙；不择手段

work hard at,努力工作（学习）

have a hard time,度过困难时刻；过得困难；步履艰难

hard copy,硬拷贝；复印件

hard to reach,难以到达

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