1.fail /feɪl/
[熟义]（1）v.失败
[生义]（2）v.考试不及格
[Eg] fail the exam
[生义]（3）v.衰退；衰弱
[Eg] Her eyesight began to fail.
2.fair /feə/
[熟义]（1）adj.（按法律、规定）秉公办事的，公正的
[生义]（2）adj.合理的；恰当的；适当的
[Eg] The punishment was very fair.
[生义]（3）adj.（数量、大小）相当大的
[Eg] A fair number of people came along.
[生义]（4）adj.相当好的；不错的
[Eg] There’s a fair chance that we might win this time.
[生义]（5）adj.浅色的；白皙的
[Eg] She has long fair hair.
3.fancy / ̍ fænsi/
[熟义]（1）adj.想象的；奇幻的；昂贵的
[生义]（2）v.自负地认为
[Eg] He fancied himself as an authority.
4.fashion / ̍ fæʃən/
[熟义]（1）n.时尚；时装
[生义]（2）n.方式
[Eg] He walks in a peculiar fashion.
5.fast /faːst/
[熟义]（1）adj.& adv.快的/地
[生义]（2）adv.完全地；牢固地
[Eg] Hold fast to this rope, and I will pull you up.
6.fault /fɔːlt/
[熟义]（1）n.过错
[生义]（2）n.故障
[Eg] an electrical fault
7.field /fiːld/
[熟义]（1）n.田地
[生义]（2）n.（作某种用途的）场地
[Eg] a landing field
[生义]（3）n.领域
[Eg] All of them are experts in their chosen field.
8.figure out
[熟义]（1）算出
[生义]（2）搞清楚，弄明白
[Eg] I can’t figure out how to do this.
9.file /faɪl/
[熟义]（1）n.文件；文件夹
[生义]（2）n.档案
[生义]（3）v.提交；把（文件等）归档
[Eg] Please file it in my “Research” file.
10.film /fɪlm/
[熟义]（1）n.电影
[生义]（2）n.胶卷
[Eg] develop the film
[生义]（3）v.拍摄
[Eg] They are filming in Moscow right now.
11.finance / ̍ faɪnæns/
[熟义]（1）n.资金
[生义]（2）n.财政；金融；财务
[Eg] the world of high finance
[生义]（3）n.（个人、组织、国家的）财力，财源，财务管理
[Eg] government/ public/ personal finances
[生义]（4）v.给……提供资金
[Eg] The building project will be financed by the government.
12.fine /faɪn/
[熟义]（1）adj.& adv.好
[生义]（2）n.罚款，罚金
[Eg] She has already paid over $2,000 in fines.
[生义]（3）v.罚款，处……以罚金
[Eg] She was fined for speeding.
13.fire /faɪə/
[熟义]（1）n.火
[生义]（2）v.射击，开火，开枪
[Eg] He fired the gun into the air.
[生义]（3）v.解雇，开除
[Eg] We had to fire him for dishonesty.
14.firm /fɜːm/
[熟义]（1）n.公司
[生义]（2）adj.坚固的，结实的
[Eg] a firm bed
15.fix /fIks/
[熟义]（1）v.修理
[生义]（2）v.使固定，安装
[Eg] to fix a shelf to the wall
[生义]（3）v.安排
[Eg] fix a meeting
[生义]（4）处理，解决
[Eg] fix the problem
16.flat /flæt/
[熟义]（1）adj.扁平的
[生义]（2）n.公寓
[Eg] Do you live in a flat or a house?
17.flexible / ̍ fleksɪbəl/
[熟义]（1）adj.柔韧的；可弯曲的；有弹性的
[生义]（2）adj.能适应新情况的；灵活的；可变动的
[Eg] flexible working hours
18.forbid /fə ̍ bɪd/
[熟义]（1）v.禁止；不准
[生义]（2）v.妨碍；阻碍；阻止
[Eg] Lack of space forbids further treatment of the topic here.
19.force /fɔːs/
[熟义]（1）v.强迫
[生义]（2）n.力量
[Eg] Push with as much force as you can.
20.foreign / ̍ fɒrɪn/
[熟义]（1）adj.外国的；外交的
[生义]（2）adj.不熟悉的
[Eg] The subject is foreign to me.
21.forgive /fəˈɡɪv/
[熟义]（1）v.原谅，宽恕
[生义]（2）v.免除（债务）
[Eg] The government has agreed to forgive a large part of the debt.
22.form /fɔːm/
[熟义]（1）v.形成
[生义]（2）v.出现，产生
[Eg] Flowers appeared, but fruits failed to form.
[生义]（3）v.组成，制作
[Eg] Do you know how to form the past tense?
[生义]（4）n.形式
[Eg] in the form of
[生义]（5）n.类型，种类
[Eg] all the millions of different life forms on the planet today
[生义]（6）n.表格
[Eg] to complete a form
23.freeze /friːz/
[熟义]（1）v.结冰，冻结
[生义]（2）v.不许动
[Eg] Freeze! Or I’ll shoot.
[生义]（3）v.吓呆
[Eg] Grandfather froze in fear.Was he going to lose the job?
24.fresh /freʃ/
[熟义]（1）adj.新鲜的
[生义]（2）adj.新近的
[Eg] The accident was still fresh in her mind.
25.function /ˈfʌŋkʃ(ə)n/
[熟义]（1）n.作用；功能
[生义]（2）v.起作用；正常工作；运转
[Eg] Despite the power cuts, the hospital continued to function normally.
