to stiffen
01
to become firm, rigid, or less flexible
语法信息
规则
现在时
stiffening
一般过去时
stiffened
过去分词
stiffened
例子
My fingers stiffen quickly in cold weather.
02
make stiff or stiffer
例子
Starch stiffens the fabric and helps it hold its shape.
03
to make rules, penalties, or restrictions stricter or more severe
例子
The government plans to stiffen penalties for illegal dumping.
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词汇树
stiffener
stiffening
stiffen
stiff
