第一组

司空见惯词：enough  足够的；充足的

高级替换词：sufficient  足够的；充足的  

例句：

Make sure you have sufficient food, water, medicine and batteries for electrical appliances. 

第二组

司空见惯词：necessary 必需的；必要的

高级替换词：essential 必不可少的；最重要的

                  vital 至关重要的

例句：

① Cooperation between team members is essential. If each individual does her job and works well with others, then the end goal can be achieved.

② Artemisinin has become a vital part of the treatment for malaria, and is thought to save 100,000 lives a year in Africa alone.

第三组

司空见惯词：huge 巨大的；庞大的

高级替换词：vast 巨大的

                  enormous 巨大的；庞大的

例句：

① Through intense effort, Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974. 

② Honestly, it can be both exciting and terrifying to explore a vast unknown land.

第四组

司空见惯词：great  杰出的；优秀的；伟大的

高级替换词：excellent  杰出的；优秀的；极好的

                  brilliant  杰出的；卓越的；才华横溢的

例句：

① On 18 April 1955, it was reported that Einstein had passed away, and the whole world mourned the great loss of a brilliant scientist.

② The Nobel Prize in Literature has been awarded to an excellent author from any country almost every year since 1901.

第五组

司空见惯词：clever 聪明的；机灵的

高级替换词：intelligent 聪明的；有才智的；有智力的

                  smart 聪明的；机敏的；精明的

例句：

① Albert Einstein, who is perhaps the greatest scientist in modern physics, is often considered one of the smartest men who ever lived.

② People who have high IQs may not be emotionally intelligent and vice versa.

第六组

司空见惯词：brave 勇敢的；无畏的

高级替换词：courageous 勇敢的；无畏的 

例句：

Einstein was not only a genius; he was a courageous and kind figure loved by many people.

第七组

司空见惯词：difficult 困难的

高级替换词：challenging 有挑战性的；困难的

例句：

Although there was not as much homework as I was used to, it was still challenging.

第八组

司空见惯词：important  重要的

高级替换词：significant 重要的；(意义) 重大的

例句：

Customs play a significant role in festivals, but sometimes they can change over time.

第九组

司空见惯词：happy 高兴的；快乐的

高级替换词：delighted 高兴的；快乐的

例句：

I would be delighted to have the opportunity to discuss my application further with you.  

第十组

司空见惯词：worried 焦虑的；担心的

高级替换词：concerned 担忧的；关心的

例句：

I know you won’t want to, but I’m very concerned about you.  

第十一组

司空见惯词：angry 生气的

高级替换词：cross 恼怒的；生气的

                  upset 心烦意乱的；生气的

例句：

Henry got upset / cross with the brothers when they seemed too happy about his bad luck.

第十二组

司空见惯词：surprised 吃惊的；感到惊讶的

高级替换词：shocked 震惊的；愤慨的

                  amazed 吃惊的；惊奇的

                  astonished 感到大为惊讶的

例句：

When he looks at the menu, an astonished look quickly appears on his face.  

第十三组

司空见惯词：helpful  有帮助的；有益的

                  useful  有用的；有益的

高级替换词：beneficial 有益的；有利的

例句：

Psychologists have published various papers stating that the behaviour of sharing is beneficial to setting up positive emotional bonding.

第十四组

司空见惯词：different 各种的

高级替换词：diverse 不同的；多种多样的

                  various 不同的；各种各样的

例句：

①At the same time, we all go through various periods when we feel sad or alone. During those times, music can help you in the same way that it helped me.

②You’ll find Chinese culture is much more diverse than you thought.

第十五组

司空见惯词：sad 不愉快的；伤心的；难过的

高级替换词：discouraged 心灰意冷的；垂头丧气的

                  depressed 沮丧的；消沉的

例句：

①I was very afraid and I felt so alone and discouraged. 

②I constantly feel depressed, dissatisfied and alone.

第十六组

司空见惯词：only 只有；仅仅；才 

                  just 只是；仅仅

高级替换词：simply 仅仅；只不过

                  merely 仅仅；只不过

例句：

①Some students act this way merely because they are afraid of being called on by the teacher. 

②Organic farming is simply farming without using any chemicals.

第十七组

司空见惯词：thankful 感激的；欣慰的

高级替换词：grateful 感激的；感谢的

例句：

People celebrate to show that they are grateful for the year’s supply of food.

第十八组

司空见惯词：honest 坦白的；直率的；诚实的

高级替换词：frank 坦白的；直率的

例句：

To be frank, this chicken tastes horrible.

第十九组

司空见惯词：bad 差的；糟糕的

高级替换词：awful 糟糕的

例句：

He makes an attempt to eat it, but it is clear from the look on his face as he is chewing that he finds the taste truly awful.

第二十组

司空见惯词：terrible 可怕的；厉害的

高级替换词：awful 可怕的；骇人听闻的

例句：

①In the end, she discovers the Beast is not as awful and cruel as he seems.

②In 1980, Benchley was diving when he came across an awful sight.