n.

1. 兴趣；关注；爱好[C][U][（+in）]
   I developed an interest in the machine.

   我对这机器发生了兴趣。

   I have lost my interest in chemistry.

   我对化学已不感兴趣。

2. 趣味性[U][（+to）]
   Local color added interest to the novel.

   地方色彩增加了这部小说的吸引力。

3. 感兴趣的事物或人[C]
   His two great interests in life are music and painting.

   他生活中的两大兴趣是音乐和绘画。

4. 利益；利害；同业；同行[P1]
   We work for our common interests.

   我们为共同的利益而工作。

5. 利息[U]
   I borrowed the money at 5% interest.

   我以五分利息借了那笔钱。

6. 股份，股权[C][（+in）]
   He has an interest in the company.

   他在这家公司拥有股份。

7. 重要性；影响[U][（+with）]
   Her interest with him is considerable.

   她对他的影响相当大。

vt.

1. 使发生兴趣；引起……的关心
   Chemistry interests him.

   他对化学感兴趣。

2. 使参与，使发生关系[（+in）]
   He interested me in politics.

   他使我对政治发生兴趣。

n.

1. the feeling of wanting to know about something or someone.
   ▸a quality exciting curiosity or holding the attention:

   a tale full of interest.
   ▸a subject which one enjoys doing or studying.
2. money paid for the use of money lent, or for delaying the repayment of a debt.
3. the advantage or benefit of someone.
   ▸archaic self-interest.
4. a share or involvement in an undertaking.
   ▸a legal concern, title, or right in property.
5. a group having a common concern, especially in politics or business.

v.

1. excite the curiosity or attention of.
   ▸ (interest someone in) persuade someone to undertake or acquire.
2. [as adj. interested] having an interest or involvement; not impartial:
   seeking views from interested parties.