make or become hard or harder (使)变硬(或变得更硬) [no obj.]wait for the glue to harden. 等胶水干。 [with obj.]bricks which seem to have been hardened by firing. 像似烧制变硬了的砖头。 ■make or become more severe and less sympathetic 使(或变得)冷酷无情 [with obj.]she hardened her heart. 她硬起心肠。 ■make or become tougher and more clearly defined 变明确 [no obj.]suspicion hardened into certainty. 怀疑得到了证实。 ■[no obj.](of prices of shares, commodities, etc.) rise and remain steady at a higher level (股票、商品价格等)升水(上涨并保持高价位)
常用词组 hardening of the arteries
another term for arteriosclerosis 同 arteriosclerosis
派生 hardener noun 继承用法 harden something off
inure a plant to cold by gradually increasing its exposure to it 使(植物)提高抗寒能力