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- hardened caoutchouc 硬生橡胶
- Life in the camp had hardened him considerably. 军营生活使他变得坚强多了。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- Dennis is becoming hardened to failure. 丹尼斯对失败变得麻木了。
- He hardened his hold on the door. 他把门抓得更紧。
- The metal in the mould hardened into shape. 模子里的金属硬化成形。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- Life in the mountains hardened me. 山里的生活使我坚强起来。
- Mary hardened her heart. It was no good being kind to Miss Jerome. 玛丽硬起了心肠，因为对杰罗姆小姐心软是没有好处的。
- Don't harden your heart against him. 别对他硬心肠。
- Attitudes to the strike have hardened on both sides. 双方对罢工所持的态度更加强硬了。
- Please harden in the main ropes, the sail's not tight enough! 请把主要的绳索拉紧些，帆扯得不够紧！
- Anneal means make harden steel soft and remove brittleness. 退火就是使淬火钢变软并消除其脆性。
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的，如波特兰水泥
- I'm quite hardened to the cold weather here now. 我现在对这儿的寒冷气候已习以为常了。
- He often went to the gym to harden his muscles. 他过去常到健身房锻炼肌肉。
- His face hardened when talked about the battle. 在谈到那次战斗时，他的表情严峻起来。
- The viewpoints of the two parties hardened. 双方的观点变得更强硬了。
- They had been hardened to the horrors of war. 他们对战争的恐怖已变得麻木不仁了。
