1. sound, voice, noise
sound 自然界各种各样的声音；
voice 人的嗓音；
noise 噪音，例：I hate the loud noise outside.
2. police, policeman
police 警察的总称，后接复数谓语动词，例：The police are questioning everyone in the house.
policeman 指某个具体的警察。
3. three of us, the three of us
three of us 我们（不止三个）中的三个；
the three of us 我们三个（就三个人）例：The three of us - Tom, Jack and I went to the cinema.
4. high, highly　
high 具体的高；
highly 抽象的高，高度的，例：think highly of
5. hard, hardly　
hard 努力，例：work hard
hardly 几乎不，例：I can hardly believe it.
6. search, search for　
search 后接地点，例：He searched his pocket for money.
search for 后接东西
7. feed, raise
feed 喂养，养活，饲养；
raise 饲养，养育（孩子），例：raise the family
8. gather, collect　
gather 把分散的东西集中到一起；
collect 指精心地、有选择地进行收集，例：collect stamps
9. problem, question
problem 常和困难连系，前面的动词常为think about, solve, raise；
question 常和疑问连系，多和ask, answer连用。
10. problem, question
problem 常和困难连系，前面的动词常为think about, solve, raise；
question 常和疑问连系，多和ask, answer连用。

编辑推荐：2013年成人英语三级考试词汇辅导汇总