Necessary Opposite Adjectives

聪明的, 智慧的

He is an intelligent critic who always provides insightful feedback.

他是一个聪明的评论家，总是提供有见地的反馈。

不聪明的, 愚笨的

Although John was unintelligent in school, he later became successful in business.

尽管约翰在学校时不聪明，但后来他在商业上取得了成功。

愉快的, 惬意的

Reading a good book on a rainy day is one of life's pleasant experiences.

在雨天读一本好书是生活中愉快的体验之一。

不愉快的, 讨厌的

It's unpleasant to work in an office with no windows.

在没有窗户的办公室里工作是很不愉快的。

小心的, 谨慎的

Be careful when crossing the street.

过马路时要小心。

粗心的, 马虎的

He is a careless eater and often spills food on his clothes.

他是一个粗心的食客，经常把食物洒在衣服上。

有礼貌的, 恭敬的

He's a polite young man who always helps his neighbors.

他是一个有礼貌的年轻人，总是帮助他的邻居。

不礼貌的, 粗鲁的

He was impolite and didn't thank the waiter for his service.

他不礼貌，没有感谢服务员的服务。

友好的, 亲切的

Despite his fame, he is a friendly and approachable person.

尽管他很出名，但他是一个友好且平易近人的人。

不友好的, 敌对的

Our new neighbor is quite unfriendly and hardly ever says hello.

我们的新邻居相当不友好，几乎从不打招呼。

通常的, 平常的

The usual procedure involves filling out the form first.

通常的程序首先涉及填写表格。

不寻常, 罕见

His quiet behavior at the party was unusual.

他在派对上的安静行为不寻常。

幸运的, 带来好运的

He felt lucky to have seen a shooting star.

他觉得自己很幸运能看到一颗流星。

不幸的, 倒霉的

He was unlucky to fall sick just before his vacation.

他在假期前生病真是不幸。

完成, 结束

She completes her assignments before the deadline.

她在截止日期前完成了她的作业。

不完整的, 未完成的

His application was incomplete, so it got rejected.

他的申请不完整，所以被拒绝了。

健康的, 健壮的

Despite her age, she's very healthy and active.

尽管她的年龄，她非常健康和活跃。

不健康的, 病态的

From his unhealthy appearance, it was clear that Tom had been skipping meals frequently.

从他不健康的外表来看，很明显汤姆经常不吃饭。

受欢迎的, 受喜爱的

Harry Potter books are very popular among teenagers.

哈利波特的书在青少年中非常受欢迎。

不受欢迎的

Despite its health benefits, broccoli remains unpopular with a lot of people.

尽管对健康有益，西兰花仍然不受欢迎于很多人。

安全的, 受保护的

The children are quite safe here, playing under the watchful eye of their parents.

孩子们在这里非常安全，在父母的密切关注下玩耍。

不安全的, 高风险的

After hearing strange noises in the house, she feels unsafe staying there alone.

在听到房子里有奇怪的声音后，她觉得独自留在那里不安全。

好, 正确地

She performed well in the exam, earning top marks.

她在考试中表现很好，获得了最高分。

不舒服, 不适

Despite being unwell, he finished the marathon.

尽管感到不适，他还是完成了马拉松。

重要的, 关键的

Conserving water is important for the sustainable use of natural resources.

节约用水对于自然资源的可持续利用重要。

不重要的, 无价值的

His unkind words were unimportant to her because she knew her worth.

他不友善的话对她来说不重要，因为她知道自己的价值。

可能的, 可行的

Even when it seems unlikely, making new friends in a new city is possible.

即使在看起来不太可能的时候，在新城市结交新朋友也是可能的。

不可能, 无法实现的

Despite all his efforts, he found it impossible to forget his past.

尽管他尽了全力，他发现忘记过去是不可能的。

正式的, 官方的

Formal education typically takes place in schools or universities.

正规教育通常在学校或大学进行。

非正式的, 轻松的

The club had an informal dress code, so jeans and t-shirts were acceptable.

俱乐部有着非正式的着装规范，所以牛仔裤和T恤是可以接受的。

死的, 去世的

He found a dead rabbit by the roadside.

他在路边发现了一只死兔子。

活着的, 有生命的

She felt grateful to be alive after surviving the car accident.

在车祸中幸存下来后，她为自己还活着而感到感激。