1. kind of 有点儿
例句：This is kind of stupid. 这有点愚蠢。
2. because of 因为
例句：My parents are here because of me. 我父母是因为我而来这里。
3. both of 二者都
例句：Both of the cars are good. 这两辆车都很好。
4. ahead of 在...之前，超过
例句1：We got there ahead of my teacher. 我在老师之前到达那里。
例句2：He will be ahead of others in English. 他在英语方面将超过别人。
5. think of 想起
例句1：I can`t think of his name at the moment. 我一时想不起他的名字。
6. think of ... as ...
例句：Don`t think of yourself as a genius. 别把自己想做是天才。
7. instead of 而不是
例句：He went there on foot instead of by bus. 他步行去那里，而不是乘公共汽车去。
8. proud of 对...感到骄傲
例句：My sister both I do well in our lessons. My mother is very proud of us. 妹妹和我的功课都很好，妈妈为我们骄傲。
9. know of 知道
例句：I know of her, but I don`t really know her. 我知道她这个人，但我不认识她。
10. full of 充满
例句：Spring is a season full of hope. 春天是一个充满希望的季节。
11. none of 都没有
例句：None of them knew this. 他们中没有人知道这件事。
12. a couple of 几个、一些
例句：I saw a couple of men get out. 我看见有几个人出去了。
13. speak of 谈起、提起
例句：Speak of hobbies, I like skateboarding best. 说起爱好，我最喜欢滑板了。
14. afraid of 害怕
例句：This child is afraid of going out alone. 这个小孩害怕单独外出。
15. a part of ... 一部分
例句：Taiwan is a part of Chinese territory. 台湾是
中国领土的一部分。
16. a piece of work 了不起的人物或成就、产品
例句：Yuan Longping really is a piece of work.
袁隆平真是位了不起的人物。
17. in the middle of 在...中
例句：He stood in the middle of the room for quite a while. 他站在房子的中间好长一阵子。