1
be stiff
The cardboard is stiff.
纸板很硬。
硬的；僵硬的；不易弯曲的
先理解核心含义，再看它在真实句子里的用法。
硬的；僵硬的；不易弯曲的
rigid; hard to bend; not moving or operating freely
The cardboard is stiff.
纸板很硬。
硬；难以弯曲；不灵活。
Rigid; hard to bend; inflexible.
不灵活；僵硬的。
Inflexible; rigid.
行为拘谨；不放松的。
Formal in behavior; unrelaxed.
不自由活动或运作
not moving or operating freely
The brush was too stiff to spread the paint smoothly.
这把刷子太硬了，没法把颜料涂得均匀。
AI contextual example
He couldn't open the door because the lock had become stiff.
他打不开门，因为锁变得不灵活了。
AI contextual example
The old man's joints are stiff in the morning, so he moves slowly.
这位老人的关节早上很僵硬，所以他行动缓慢。
AI contextual example
a stiff hinge
一个不灵活的铰链。
WordNet
The cardboard is stiff.
纸板很硬。
指态度不友好或拘谨。
She was stiff with her new colleagues.
她对新闻事态度生硬。
常表示因姿势或劳累导致的肌肉僵硬。
My neck is stiff from sleeping wrong.
我睡觉姿势不对，脖子僵硬。
用于表示某事有难度，相当于difficult。
It is stiff to pass the exam.
通过考试很难。
Not this
This board is more stiff.
Use this
This board is stiffer.
stiff 是单音节形容词，比较级应加 -er 而不是用 more。
Not this
The door opened stiff.
Use this
The door opened stiffly.
stiff 是形容词，不能直接修饰动词；应用副词 stiffly 来描述动作的方式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
落枕；脖子僵硬
I woke up with a stiff neck after sleeping in an awkward position.
以一个别扭的姿势睡觉后，我醒来时脖子僵硬。
激烈的竞争
The company faces stiff competition from emerging startups.
这家公司面临着来自新兴初创企业的激烈竞争。
烈酒
He ordered a stiff drink to calm his nerves.
他点了一杯烈酒来镇定神经。
严厉的惩罚
Drunk driving carries a stiff penalty in many countries.
在许多国家，酒驾会带来严厉的惩罚。
僵硬的身体
After the long hike, my whole body felt stiff.
长途徒步之后，我整个身体都感到僵硬。
烂醉如泥；僵硬如板
After three beers, he was stiff as a board.
喝了三杯啤酒后，他烂醉如泥。
激烈的竞争
The job market is stiff competition.
就业市场竞争激烈。
坚忍不拔；不动声色
Despite the bad news, she kept a stiff upper lip.
尽管有坏消息，她仍不动声色。
抬头，微笑，保持坚强镇定。
In the movie 'The Great Dictator', Charlie Chaplin's character says this inspiring line.
在电影《大独裁者》中，查理·卓别林的角色说了这句鼓舞人心的话。
Use stiff naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一个严厉的教练说“站直了，别动！”你的身体变得僵硬（stiff），像一根木棍。
通常用于描述物体的物理硬度（如纸张、布料、刷子等），也可用于描述人的态度或身体僵硬。语气中性，适用于具体场景的客观描述。
常用于描述身体部位或机械部件不灵活，常与 with 或 from 连用表示原因。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.