(harder, hardest) [only before noun] definite; based on information that can be proved确实的；确凿的◆Is there any hard evidence that the company is recovering?有确凿证据显示公司正在复苏吗？◆We think about 90% of the email is internal, but we have no hard figures.我们认为 90% 的电子邮件是内部邮件，但没有确切的数字。⨁hard evidence / facts / figures / numbers确凿的证据／事实／资料／数字 [usually before noun] if the market is hard, or if prices are hard, prices remain high坚挺的◆We expect the hard market to be sharp and brief.我们预计坚挺的市场会十分短暂。  ➡  soft ●drive/strike a hard ˈbargainto argue in an aggressive way to try to force sb to agree on the best possible price or arrangement狠狠杀价●ˌhard and ˈfast (used especially after no, not, etc. 常用于 no、not 等之后) that cannot be changed in any circumstances不得更改◆There are no hard and fast rules about this.这件事没有什么硬性的规定。