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- Everything from homogeneous pure chemicals to the most heterogeneous of minerals, overing the whole spectrum of the Mol hardness scale, except maybe diamond. 什么都可以，从纯的均匀化学物质到大多数非均匀的矿物，范围覆盖整个莫氏硬度，也许只有钻石除外。
- HBE-3000 Electronic Brinell Hardness Tester with 10 steps testing force is able to measure hardness values with each 10 Brinell hardness scales. 电子布氏硬度计具备了10级试验力，可分别测试布氏硬度的10种标尺。
- The major pentatonic scale is a five note scale. It contains scale degrees 1,2,3,5,6 from the major scale, and does not contain any half-steps. 大调五声音阶是指由五个音组成的。他包括大调里的1音级，2音级，3音级，5音级，6音级，不包括任何的半音。
- Starting from the tonic or key-note, the scale degrees in descending order are: tonic, leading tone or leading note, submediant, dominant, subdominant, mediant, supertonic, tonic. 始自主音，调式下行顺序为：主音，导音，下中音，属音，下属音，中音，上主音，主音。
- Starting from the tonic or key-note, the scale degrees in ascending order are: tonic, supertonic, mediant, subdominant, dominant, submediant, leading tone or leading note, tonic. 始自主音，调式上行顺序为：主音，上主音，中音，下属音，属音，下中音，导音，主音。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- It is hard to imagine the scale of the universe. 很难想像宇宙有多大。
- The intertwining of these fifth relations at different levels of structure (scale degrees within phrases and key relations across sections), should help to give the fifth the credit it is due as a fundamental structural pillar. 这些在结构上不同层次的五度关系的纠结（乐句里的音阶和不同乐段的调性关系），应该有助于认同五度关系作为基本结构性的支柱。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- hardness scale(degree) 硬度标度
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
