hard
🇬🇧/hɑːd/ 🇺🇸/hɑːrd/📚 769 102 5雅思中考高考Something that is hard is very firm and stiff to touch and is not easily bent, cut, or broken. 坚硬的
adjective [原级]硬的，坚固的；困难的；猛烈的，用力的；困苦的，艰苦的；努力的；冷酷的，心肠硬的；严厉的，苛刻的；（政党内部派别）极端的，固执己见的；（季节，天气）严酷的，凛冽的；（水）硬的；坚强的，勇敢的；刺目的，令人不快的；确凿的，可靠的；（学科）实证的；硬（科幻）的；酒精含量高的，烈性的；（尤指葡萄酒因含有单宁酸而）苦涩的；（毒品）毒性强的，易上瘾的；（辐射）穿透力强的
Something that is hard is very difficult to do or deal with.
困难的
adverb [方式副词]努力地，费力地；用力地，猛烈地；仔细地，认真地；沉重地，大量地；变硬；在最大程度上
If you work hard doing something, you are very active or work intensely, with a lot of effort.
努力地
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