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- 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。
- to harden one's neck 刚愎自用
- He often went to the gym to harden his muscles. 他过去常到健身房锻炼肌肉。
- To harden(a metallic surface)by rapid cooling. 冷铸，冷淬通过急冷处理使（金属表面）变硬
- The varnish takes a few hours to harden. 清漆需要几个小时才能干透。
- To harden the surface of(a metal. 使（金属的）表面硬化
- Lying next to the statue, one arm wrapped around the statue’s neck, was Lightning, contentedly sleeping with her best friend. 闪电一只前腿缠着它的脖子, 心满意足地躺在雕像旁边, 和她最好的朋友睡在了一起。
- You just have to harden up a little bit. 你必须要更刻苦一些。
- To harden the surface of(a metal). 使（金属的）表面硬化
- The boy banded the dog 's neck with a yellow string. 男孩把一条黄绳绑在狗脖子上。
- To harden(a metallic surface) by rapid cooling. 冷铸，冷淬通过急冷处理使（金属表面）变硬
- The paint takes a few minutes to harden. 这油漆需要几分钟才能变硬。
- Place in freezer for a few hours to harden. 把半成品放入冰箱冷冻直到变硬。
- Do not tie pacifier around child\'s neck as it presents a strangulation danger. 切勿把奶嘴围绕孩子的颈部，因为它提出了一种扼杀的危险。
- The third time the Green Knight made a slight cut in Gawain’s neck. 头两斧没有使高文受伤，是因为头两天他很诚实，第三斧伤了他，是因为他私藏了腰带。
- to harden one's heart 变得冷酷无情
- Betty saved Tim' s neck by typing his report for him, without her help he could not have finished on time. 蒂姆写报告，贝蒂替他打字，这可救了他，否则，没有她的帮忙，他就无法准时完成。
- The supporter ran onto the pitch to celebrate Celtic＇s last-gasp winner and appeared to lightly brush Dida＇s neck. 支持者跑进球场.;庆祝凯尔特人最后一击的胜利
- One day for fresh airthey put him in the garden. His face went deathly paleand his body began to harden. 一天他们把他带到花园去享受清新的空气,然而他的脸变得死灰,身体也开始变得僵硬。
