英 [ˈstɪf(ə)nɪŋ] 美 [ˈstɪfnɪŋ]
v. 使变硬（stiffen 的现在分词）
n. 使衣服等变硬的材料
stiffen /ˈstɪfən/ TEM4 [ stiffening stiffened stiffens ]
不及物动词 If you stiffen, you stop moving and stand or sit with muscles that are suddenly tense, for example because you feel afraid or angry. 僵住
Ada stiffened at the sound of his voice.
听到他的声音，艾达僵住了。
不及物动词 If your muscles or joints stiffen, or if something stiffens them, they become difficult to bend or move. 难于弯曲或活动
The blood supply to the skin is reduced when muscles stiffen.
肌肉发僵时，皮肤的供血量就会减少。
动词词组 Stiffen up means the same as . 难于弯曲或活动
These clothes restrict your freedom of movement and stiffen up the whole body.
这些衣服使你的手脚难于自由活动，使整个身体也僵硬起来。
及物动词 If something such as cloth is stiffened, it is made firm so that it does not bend easily. 使变硬
This special paper was actually thin, soft Sugiwara paper that had been stiffened with a kind of paste.
这种特殊的纸实际上是一种面浆浆过的轻薄柔软的衫原纸。
the act of becoming stiff
stiffening his shoulders, he prepared to advance
the process of becoming stiff or rigid
同义词： rigidifying / rigidification
使衣服等变硬的材料
硬挺
加劲
雷霆也要加劲(Stiffening)，争取拿下，并加紧进攻后，才有大概进入下一轮，乐观者在灾祸中看到机会；悲观者在机会中看到灾祸。看大和上盘
... 丝光：MERCERIZED 硬挺：STIFFENING 抗静电：ANTI-STATIC ...
... stiffening固化；硬化 stiffness刚度；劲度 stiffnessfactor刚度系数 ...
... stiffening 加劲 stiffening 劲化 stiffer 更硬的 ...
But when the emotion that leads to stiffening the lip is more intense, and involves strong muscle tension, facial feedback may heighten emotional response.
但是当导致嘴唇僵硬的情绪变得更加强烈，并导致肌肉强烈绷紧时，面部表情反应就可能会增强情绪反应。
A litre of teacan contain up to 9mg of fluoride, which in excess can cause skeletal fluorosis, reducing bone quality and causing pain and stiffening of the ligaments.
一升茶树含有高达9毫克的氟化物，过量会导致氟骨症，降低骨骼质量，导致疼痛和韧带僵硬。
The storm was stiffening then.
那会儿，风暴变得越来越猛烈。
She, in her place, refused him any help, With the least stiffening of her neck in silence.
她在那里，拒绝了他的帮助，她安静下来，肢体僵硬。
现代诗歌课程节选 : 耶鲁公开课
When people get nervous, they change their normal presentation style, usually by stiffening up.
It is known that stiffening of the arteries can lead to heart disease and stroke.
With his foot stiffening up when he sits, Bryant came out for just 23 seconds.