1. 感兴趣：瞧,胡老师房间的灯还亮着.(be on)...我认为嘲笑别人是不对的(laugh at)...他最大的问题就是他对音乐不感兴趣(be interested in)

2. 对......感兴趣：interested adj. 感兴趣的,关心的 | be interested in 对...感兴趣 | lab n. 实验室

3. 对某方面感兴趣：45. be in trouble 处于困难中 eg : She is in trouble They are in tronble | 46. be interested in 对某方面感兴趣 | 47 .be late for = come late to 迟到 eg: Be late for class 上课迟到

4. 对......感兴趣;喜欢做：be in bed 上床睡觉 | be interested in 对......感兴趣;喜欢做...... | be mad at 对......非常愤怒、恼火

2. be interested in的解释