半硬，中硬
half-and-half───n.两者各半之混合物；（加入咖啡、牛奶等的）稀奶油；adv.各半，对等地；adj.两种成分各半的；不明确的
half and half───一半一半；各占一半；各半
half───adv.一半地；部分地；adj.一半的；不完全的；半途的；n.一半；半场；半学年；n.(Half)人名；(阿拉伯)哈勒夫；(德)哈尔夫；(英)哈夫
hard───adj.努力的；硬的；困难的；辛苦的；确实的；严厉的；猛烈的；冷酷无情的；n.（Hard）人名；(英、芬、瑞典)哈德；adv.努力地; 猛力地; 严重地; 沉重地；adv.努力地；困难地；辛苦地；接近地；猛烈地；牢固地；adj.困难的; 硬的; 有力的; 努力的
hard wearing hard───耐磨的
hard by hard───一点一点地
play hard work hard───放肆玩乐，拼命工作
half filled───半满
half notes───n.半音符，二分音符( half note的名词复数 )
It's hard to believe that half the class couldn't complete the three-thousand-meter race, isn't it?───很难相信班上有一半人都不能完成三千米赛跑，不是吗？
Hard-boil a half-dozen eggs and grab one each morning along with some fruit and an English muffin for a portable breakfast.───鸡蛋煮熟，每天早晨抓一个鸡蛋，再放一些水果和一个英式松饼作为便携式早餐。
We just make some half hard and it after a week or two.───我们只是下定一些难不难的决心，一两周之后这个决心就人间蒸发了。
half hard packing and the processed foods three kinds from the manufacture material───半硬包装和软包装三类，三类，
hard-foamed and half hard-foamed products as well as PU toys;───硬泡、半硬泡以及pu玩具制品生产；
B. For hard and half hard drawn tubes the ratio of outer diameter to wall thickness is no more than 25.