“兴趣”的英语单词是：interest 。读音是：/ˈɪntrəst/
下面，我就详细的解析一下这个单词。
interest 单词解析
1、单词读音：英/ˈɪntrəst/ 美/ˈɪntrəst/
2、单词含义：
n. 利益；兴趣；利息；关注；（企业或公司的）股份；利害关系；趣味；好处；吸引力；同行；业余爱好；引人关注的性质
vt.使感兴趣；使关注
3、单词变形：
第三人称单数： interests
复数： interests
现在分词： interesting
过去式： interested
过去分词： interested
4、常见短语搭配
compound interest [金融]复利
Accrued interest [金融]应计利息
Controlling interest [经管]控制股权
Interest receivable 应收利息
interest income 利息收入
interest expense 利息费用
5、语法分析
interest可用作名词，表示“兴趣，爱好”，为不可数名词，可与不定冠词连用；表示在“对...的
兴趣”，其后通常接介词in。作及物动词时，后面接名词，通常以人作宾语。
6、用法例句
By that time I had lost interest in the idea.
那时我已经对此想法失去兴趣了。
She took no interest in the people and things around her.
她对周围的人和事毫无兴趣。
They decided to sound out her interest in the project.
他们决定试探一下她对那个项目的兴趣。
Do your parents take an interest in your friends?
你的父母有兴趣了解你的朋友吗？
She needed to find an outlet for her many talents and interests.
她的多才多艺、兴趣广泛需要找个施展的机会。
兴趣用英语说是interest。
双语例句：
1.萨拉对他们的缺乏兴趣的情况越来越不能忍耐了。Sarah was becoming increasingly impatient at their lack of interest.
2.学历史的学生会对这个讲座特别有兴趣。The lecture will be of especial interest to history students.
3.孩子们喜欢同父母一起分享各种兴趣和乐事。Children like to share interests and enjoyments with their parents.
4.理查德没有兴趣回答。Richard couldn't rouse himself to say anything in reply.
5.这个节目中年观众感兴趣。The show appeals to an audience of a certain age.
6.这部电影年轻人会感兴趣。It's a movie that will appeal to the young.
7.近年来，农村人口对政治愈来愈感兴趣。The rural population has become increasingly politicized in recent years.
8.他们决定试探一下她对那个项目的兴趣。They decided to sound out her interest in the project.
9.那时我已经对此想法失去兴趣了。By that time I had lost interest in the idea.
10.她到场就说明了她有一定程度的兴趣。The fact that she was here implies a degree of interest.