hard什么意思中文意思

单词用法：

ADJ Something that is hard is very firm and stiff to touch and is not easily bent cut or broken。

翻译：坚硬的东西摸起来非常坚硬，不容易弯曲、割伤或折断。

ADV If you work hard doing something，you are very active or work intensely，with a lot of effort。

翻译：如果你努力做某事，你会非常积极，或者工作很紧张，付出了很多努力。

ADV If you look,listen,or think hard，you do it carefully and with a great deal of attention。

翻译：如果你认真地看、听、想，你会仔细地、全神贯注地去做。