be stiff
The cardboard is stiff.
纸板很硬。
硬的；僵硬的；不易弯曲的
stiffest — superlative of stiff
不灵活的；运转不灵的；酸痛的；僵硬的；拘谨的；生硬的；黏稠的；难搅动的；烈性的；效力强的
Rigid, hard to bend, and inflexible.
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
因过度或不习惯的运动而疼痛或比平时僵硬。
Painful or more rigid than usual as a result of excessive or unaccustomed exercise.
烈性的；效力强的。
Potent.
稠密的；浓厚的；(引申义)难以搅拌的。
Having a dense consistency; thick; (by extension) Difficult to stir.
搅打至充气蓬松并能立起不倒的(如蛋清等)。
Beaten until so aerated that they stand up straight on their own.
指某些数值求解方法数值不稳定的方程,除非步长取得极小。
Of an equation, for which certain numerical solving methods are numerically unstable, unless the step size is taken to be extremely small.
保持直立的。
Keeping upright.
指击球落在旗杆附近,下一杆很容易推球入洞的。
Of a shot, landing so close to the flagstick that it should be very easy to sink the ball with the next shot.
用力过猛(无论有意或无意)导致对手疼痛的(击打)。
Delivered more forcefully than needed, whether intentionally or accidentally, thus causing legitimate pain to the opponent.
The envelope was too stiff to push through the mail slot.
这个信封太硬了，塞不进邮筒的投信口。
用法提示：stiff 作形容词，作表语，表示物体硬、不易弯曲。
AI contextual example
For this job, you need a stiffer spatula to scrape the pan.
做这件事你需要一把更硬的锅铲来刮平底锅。
用法提示：stiffer 是 stiff 的比较级，作定语修饰 spatula，表示更硬、更不易弯曲。
AI contextual example
The leaves had become stiff and brittle after being pressed in the book.
这些叶子被压在书里之后，变得又硬又脆。
用法提示：stiff 作形容词，与 become 连用，表示变得僵硬、不易弯曲。
AI contextual example
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。
比stiff更强调结构上的刚性，常用于物体不易变形。
强调结实有弹性，比stiff稍软，常用于肌肉、床垫等。
最通用，指质地坚硬，不限于弯曲，可取代stiff但范围更广。
侧重缺乏柔韧性，可指物体或态度，较正式。
文学色彩强，常形容人固执或物体非常硬。
grammar · medium
易错句子This board is more stiff.
正确表达This board is stiffer.
stiff 是单音节形容词，比较级应加 -er 而不是用 more。
grammar · medium
易错句子The door opened stiff.
正确表达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。
词性不同：stiff是形容词，stiffen是动词。
stiff可指态度生硬或物体坚硬，rigid通常仅指物理上不可弯曲或规则严格。
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。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.