英 [ˈstɪf(ə)n] 美 [ˈstɪf(ə)n]
v. （身体）变僵硬，绷紧；（使）变强硬，变坚定；使（材料）变硬（挺）；变僵硬，变得不灵活；变酸痛僵直；变生硬，变得拘谨
第三人称单数stiffens
现在分词stiffening
过去式stiffened
过去分词stiffened
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。
become stiff or stiffer
He stiffened when he saw his boss enter the room
make stiff or stiffer
硬化-引用次数：3
In terms of Voce stiffen theory which can describe the isotropy hardening,the elasticity-plasticity FEA for the crack starts.
5.根据能够描述材料各向同性强化特性的Voce硬化理论定义非线性材料,对本文所研究裂纹进行弹塑性有限元分析。
参考来源斜接弯管内侧裂纹断裂参数研究
使(船)不易倾斜，使(船)稳性大
提高(士兵、军队等)的素质
... stiff / stif / adj.硬的，僵直的；不灵活的；拘谨的，生硬的；艰难的，费劲的；（风等）强烈的adv.极其，非常；僵硬地 stiffen vt.使硬；使僵硬 sniff/ snif / v.（哧哧地）以鼻吸气，用力吸入；嗅，闻n.吸气（声）；嗅，闻 ...
... stiff / stif / adj.硬的，僵直的；不灵活的；拘谨的，生硬的；艰难的，费劲的；（风等）强烈的adv.极其，非常；僵硬地 stiffen vt.使硬；使僵硬 sniff/ snif / v.（哧哧地）以鼻吸气，用力吸入；嗅，闻n.吸气（声）；嗅，闻 ...
... stiff adj. 绷紧的;硬的 adv. 僵硬地;完 全地 n. 死尸;醉汉 stiffen v. 使变硬;变硬 stifle n. 后膝关节 v. 藏匿;扼杀;使 窒息 ...
... stern waudio-videoe艉波 stiffen加劲-加强 stiffener扶强材-加劲杆 ...
When those boundaries are crossed, an American's body will visibly stiffen and his manner will become cool and aloof.
如果越过了这些界限，美国人的身体会明显变得僵硬，他的态度也会变得冷漠。
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。
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。
They knew that cold overnight temperatures forecast before launch would stiffen the rubber o-rings.
Doing so will only stiffen Chinese resistance and result in disappointment and increased bilateral friction.
IBRA's employees have also been granted special legal protections to help stiffen their resolve.