1. formulate
vt. 构想出，规划;确切地阐述;用公式表示;
[例句]Little by little, he formulated his plan for escape.
他一点一点地设计构思出了逃跑的方案。
2. fracture
vt. (使)折断，破碎;
n. 骨折;破裂，断裂;
[例句]At least one-third of all women over ninety have sustained a hip fracture.
超过90岁的所有女性中至少有1/3已经出现髋骨骨折。
3. frequent
adj. 频繁的，时常发生的，常见的;(脉搏等)急促的，快的;
vt. 常到，光顾，常与…交往;常去，时常出入于;
[例句]Bordeaux is on the main Paris-Madrid line so there are frequent trains.
波尔多位于巴黎到马德里的铁路主干线上，来往列车频繁。
4. frown
vt. 皱眉;不同意;蹙额;
n. 皱眉，蹙额;
[例句]Nancy shook her head, frowning.
南希摇了摇头，皱着眉头。
5. frustrate
vt. 挫败;阻挠;使受挫折;
adj. 无益的，无效的;
[例句]These questions frustrated me.
这些问题让我沮丧。
6. fulfill
vt. 履行(诺言等);执行(命令等);达到(目的);使结束;
[例句]We must fulfill the plan, whatever happens.
无论如何要完成计划。
7. furnish
vt. 陈设，布置;提供，供应;装修(房屋);
[例句]Many proprietors try to furnish their hotels with antiques.
许多经营者都想用古董装饰他们的酒店。
8. fury
n. 狂怒;暴怒;[罗神]复仇三女神之一;激怒者;
[例句]She screamed, her face distorted with fury and pain.
她尖叫着，脸部因狂怒和痛苦而扭曲。
9. fuss
n. 大惊小怪;忙乱;大惊小怪的人;争吵;
v. 大惊小怪 忙乱;抱怨;使烦恼，使烦忧;使急躁;
[例句]I don't know what all the fuss is about.
我不知道为什么要这样大惊小怪的。
10. gallop
n. (马等)疾驰，飞奔;(比喻)飞快;
v. (使马)飞驰;飞速传递;
[例句]The horses galloped away.
群马飞奔而去。
11. gamble
vi. 赌博;孤注一掷;投机，冒风险;打赌;
vt. 赌博，下赌注;使冒风险;
n. 冒险;赌博或其他投机;
[例句]Yesterday, he named his cabinet and took a big gamble in the process.
昨天他冒了很大的风险任命了内阁成员。
12. gasp
v. 喘气，喘息;倒抽气;渴望;喘着气说出;
n. 喘气，喘息;
[例句]An audible gasp went round the court as the jury announced the verdict.
陪审团宣布判决的时候，听到法庭上有人倒抽了一口气。
13. gear
n. 齿轮;排挡;传动装置;衣服;
v. 接上;调和;使适应;装上齿轮;用齿轮连接;
[例句]On hills, he must use low gears.
在山上，他必须挂低速挡。
14. generalize
v. 概括，归纳;推广，普及;使一般化;形成概念;
[例句]'In my day, children were a lot better behaved'. —'It's not true, you're generalizing'
“我们那个时候，孩子们要比现在听话许多。”——“不一定，你只是在一概而论。”
15. generate
vt. 形成，造成;产生物理反应;产生(后代);引起;
[例句]The Employment Minister said the reforms would generate new jobs.
劳工大臣表示，改革将带来新的就业机会。
