stiffen

verb

1. （尤指因气愤或害怕，使浑身或身体的一部分）变僵硬，变僵直，绷紧
   to make yourself or part of your body firm, straight and still, especially because you are angry or frightened
   1. She stiffened with fear.
      她吓呆了。
   2. I stiffened my back and faced him.
      我挺直了腰杆面对着他。
2. （使）难以弯曲，难以活动，发僵
   to become, or to make sth become, difficult to bend or move
   1. My muscles had stiffened up after the climb.
      爬上去以后我两腿都发僵了。
   2. stiffened muscles
      发僵的肌肉
3. （使）变强硬，变坚定
   to make an attitude or idea stronger or more powerful; to become stronger
   1. The threat of punishment has only stiffened their resolve (= made them even more determined to do sth) .
      惩罚的威胁益发坚定了他们的决心。
4. 使硬挺
   to make sth, such as cloth, firm and unable to bend

1. VERB 变得僵硬;变得紧张;绷紧
   If you stiffen, you stop moving and stand or sit with muscles that are suddenly tense, for example because you feel afraid or angry.
   1. Ada stiffened at the sound of his voice...
      埃达听到他的声音吓得人都僵住了。
   2. The father's face stiffened with dismay.
      父亲因为悲痛而面部表情凝重。
2. V-ERG (肌肉或关节)变得僵硬;(使)变得不易弯曲;(使)变得不灵活
   If your muscles or joints stiffen, or if something stiffens them, they become difficult to bend or move.
   1. The blood supply to the skin is reduced when muscles stiffen.
      当肌肉变得僵硬时，皮肤的供血量就减少了。
   2. Stiffen up means the same as stiffen .
      stiffen up 同 stiffen
   3. These clothes restrict your freedom of movement and stiffen up the whole body...
      这些衣服使你行动不便，让全身都变得不灵活。
   4. 'I just stiffened up, and the more they told me to 'be natural', the more I felt not at all relaxed.'
      “我整个人都僵硬了，他们越是让我‘自然些’，我就越紧张。”
3. V-ERG (态度或行为)变得更强硬，变得更严厉;(使)变得更坚定
   If attitudes or behaviour stiffen, or if something stiffens them, they become stronger or more severe, and less likely to be changed.
   1. Russian resistance suddenly stiffened because there was no room for retreat...
      俄罗斯的反抗突然变得强硬起来，因为已经没有退路了。
   2. Canada has recently stiffened its immigration rules.
      加拿大最近制定了更为严格的移民规定。
4. VERB 使(布料等)变挺;使变硬
   If something such as cloth is stiffened, it is made firm so that it does not bend easily.
   1. This special paper was actually thin, soft Sugiwara paper that had been stiffened with a kind of paste...
      这种特殊的纸实际是一种糨糊浆过的又薄又软的杉原纸。
   2. They peeled cold stiffened gloves from their hands.
      他们将冻得硬邦邦的手套从手上脱下来。

1. I felt my body involuntarily stiffen against her invasion of my personal space.
   随着她不断侵入我的个人空间，我感觉全身都不由自主地紧绷起来。
2. Ada stiffened at the sound of his voice
   埃达听到他的声音吓得人都僵住了。
3. The father's face stiffened with dismay.
   父亲因为悲痛而面部表情凝重。
4. The blood supply to the skin is reduced when muscles stiffen.
   当肌肉变得僵硬时，皮肤的供血量就减少了。
5. Russian resistance suddenly stiffened because there was no room for retreat
   俄罗斯的反抗突然变得强硬起来，因为已经没有退路了。
6. Canada has recently stiffened its immigration rules.
   加拿大最近制定了更为严格的移民规定。
7. This special paper was actually thin, soft Sugiwara paper that had been stiffened with a kind of paste
   这种特殊的纸实际是一种糨糊浆过的又薄又软的杉原纸。
8. They peeled cold stiffened gloves from their hands.
   他们将冻得硬邦邦的手套从手上脱下来。
9. Expect Taiwan to stiffen laws against companies that pollute, taint or lie to consumers.
   可以期待台湾用更强硬的法律来管束污染、不洁或欺骗消费者的公司。
10. Did you get your cap and robe for the graduation ceremony? a stiff coarse fabric used to stiffen hats or clothing.
    你领了参加毕业典礼的礼帽和礼服了吗？使衣服或帽子变硬的硬的粗糙的纤维。
11. The youth will stiffen and remain until their bodies decay.
    青年会变得强壮，直到他们的躯体腐朽。
12. You can stiffen the collar with starch.
    你可以用淀粉浆使衣领变挺。
13. We must stiffen them all up and allow no weakness.
    我们一定要使他们都坚强起来，不允许有丝毫软弱。
14. Your job is to stiffen linen with starch.
    你的工作是把亚麻台布浆洗硬了。
15. A coarse cotton fabric stiffened with glue; used in bookbinding and to stiffen clothing.
    用胶剂使其变硬的粗糙的棉布纤维；用来装订书和加硬衣服。
16. But some fans were also clamouring for a defensive midfielder to stiffen the spine of the team.
    但是一些球迷也嚷嚷着要一名防守型中场来加固球队的中轴线。
17. A stiff coarse fabric used to stiffen hats or clothing.
    使衣服或帽子变硬的硬的粗糙的纤维。
18. Mr Paulson has moved to to stiffen the Treasury's resistance to Congress over currency policy.
    在汇率政策上，保尔森加大了财政部对国会的抵制力度。
19. Joints stiffen with advancing years.
    人一上年纪，关节就变僵硬了。
20. This lignification serves to stiffen and strengthen the cells.
    木质化足以使细胞变硬和增强。
21. The promise of a reward might stiffen their resolve.
    答应给他们奖励可以坚定他们的决心。
22. The promise of a reward might stiffen their resolve, ie make them braver.
    答应给他们奖励，他们就可能更勇敢了。
23. You can stiffen up the silk cloth by dipping it in flour liquid before tailoring it.
    裁这真丝料以前，你把它放进面糊里浆一浆。
24. The jelly will stiffen as it cools.
    果冻冷却后会变硬。
25. He tried to stiffen his wavering soldiers.
    他企图使动摇的士兵坚强起来。
26. A structural member used to stiffen a framework.
    用于加固某个框架的构件。
27. As soon as he touched her she seemed to wince and stiffen.
    只消他碰到她，她便一阵畏缩，全身僵硬。
28. I noticed him stiffen when I mentioned money.
    当我提到钱时，我注意到他变得不自然。
29. You will only stiffen his resolve.
    你只会坚定他的决心。
30. A stiff collar, ie a starched detachable one, worn with a shirt Your job is to stiffen linen with starch.
    硬领（浆过的可卸下的领子）.你的工作是把亚麻台布浆洗硬了。

verb

1. make stiff or stiffer
   1. Stiffen the cream by adding gelatine

2. become stiff or stiffer
   1. He stiffened when he saw his boss enter the room

3. restrict
   1. Tighten the rules
   2. stiffen the regulations

   Synonym:    tightentighten upconstrain