音标：[ˈstɪfənz] ；

v. （使）变硬, （使）强硬( stiffen的第三人称单数 )

v become stiff or stiffer
v make stiff or stiffer
v restrict

stiffen的用法和样例：

例句

用作动词(v.)

This lignification serves to stiffen and strengthen the cells.木质化足以使细胞变硬和增强。
This sort of grease could not stiffen when the temprature drops.温度下降时，这种润滑脂不会变稠。
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。
He stiffened at the insult.他听到这些侮辱的话，态度强硬起来。

经典引文

His legs were stiffen'd with dismay.
出自：Coleridge
Filmy muslin..stiffened with rice starch.
出自：E. Wilson
Units of the Afghan army have been stiffened by the addition of Soviet soldiers.
出自：Illustrated London News
Laughter bound them together and stiffened their courage.
出自：P. Barker
Humiliation merely served to stiffen his will to succeed
出自：A. C. Amor

【近义词】

congeal(使)凝结
harden(使)变硬
thicken变浓
solidify变固体
strengthen加强
reinforce加固
toughen变坚韧
brace防备
tighten使紧
steel钢铁
lace鞋带
freeze冻结
tighten up绷紧
constrain强迫

【反义词】

loosen松开

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