1. aware [ə'weə] 
adj. 知道的，意识到的 
Smokers are well aware of the dangers to their own health. 吸烟者们都很清楚吸烟对其自身健康的那些危害。
be aware of = know 知道
awareness n. 意识 
raise public awareness 提高公众意识

2. conscious ['kɒnʃəs] 
adj. 意识到的 ，故意的
People have become much more conscious of the need to exercise regularly. 人们越来越意识到定期锻炼的必要性。
consciousness n. =awareness

3. enthusiastic [ɪn,θjuːzɪ'æstɪk] 
adj. 热情的   
enthusiasm n. 热情，热忱
You don't seem very enthusiastic about the party. 你好像对这个派对没什么热情啊。

4. nostalgic [nɒ'stældʒɪk] 
adj. 怀旧的，乡愁的 
nostalgic songs 怀旧歌曲
Talking about our old family holidays has made me feel all nostalgic. 聊起老的家庭节日让我觉得很怀念。

5.hospitality [hɒspɪ'tælɪtɪ] 
n.好客，热情招待 
hospitable adj. 热情友好的，舒适的

6. passionate ['pæʃ(ə)nət] 
adj. 热情的；热烈的，激昂的；
He is very passionate about the project. 他对这个项目非常热诚。

7. compassionate [kəm'pæʃ(ə)nət] 
adj. 富有同情心的 
v. 同情，怜悯
The doctor is very compassionate towards his patients. 医生很同情他的病人。

8.sympathy ['sɪmpəθɪ] 
n. 同情；赞同
We expressed our sympathy for her loss.我们对她的损失表示了同情。

9. sympathetic [sɪmpə'θetɪk] 
adj. 同情的，惺惺相惜的 
It's key that you find a caring, sympathetic healthcare professional you trust. 关键是要找到一个你信任的能关爱和理解病人的医疗专家。

10. merciful ['mɜːsɪfʊl] 
adj.仁慈的,宽大的 
We can only hope the court is merciful. 我们只能寄希望于法庭的宽大处理了。
show mercy for 对…仁慈
at the mercy of 受…支配