F-16:for the nonce 临时 A:Would you like to lend your pen to me? A:你能借我一支钢笔吗？ B:Of course. Here you are. B：当然可以。给你。 A:Thanks. A:谢谢。 B:You see, this is a poor pen, but it will do for the nonce. B：...

F-15:for fun 好玩儿 A:Tom walked away with Mrs. Smiths lipsticks. A:汤姆顺手牵羊拿走了史密斯太太的口红。 B:Ive known that. I asked him the reason, and he said he did this just for fun. B：我知道了，我问他为什么...

F-14:for certain 确定无疑地 A:Howre you going to prepare for the test? A:你想怎样复习来准备这场考试？ B:Well, Im not going to learn the grammatical rules by heart. B：嗯，我不会去背语法规则的。 A:But those a...

F-13:foot it 步行 A:Shall we take a bus to the Forest Zoo? A:我们乘车去森林动物园好吗？ B:I think wed better foot it since its too crowded on the bus. B:车上太挤了，我们最好步行。 A:OK. I agree with you. A：好吧...

F-12:follow the crowd 无主见 A:There is a rumour going around that Mr. Smith will be our new Department Head. A:有谣传说史密斯先生将是我们新的系主任。 B:What? I cant believe it, I must say. B：什么？我得说我根本...

F-11:fluke 意外获胜 A:John, how will you comment on the game? A:约翰，你怎么评价这次比赛？ B:Er... I only won over my opponent by a fluke. B：啊我只不过是侥幸战胜了对手。 A:You mean hes a very challenging riv...

F-10:first and foremost 最主要的 A:Mr. Smith has written many books, but first and foremost hes a teacher. A:史密斯先生已经写了许多书了，但他最主要的身份还是教师。 B:You mean your mathematics teacher? B：你是...

F-9:find fault with 找的茬子 A:What shall I do? They just killed me there. A:我该怎么办呢？他们使我恼火透了。 B:Whats the matter? B:怎么了？ A:They tried to find fault with everything I did and wanted to kick me out...

F-8:fight the clock 争分夺秒 A:I find everyone in the class is working hard. A:我发现班上每个人学习都很努力。 B:If you dont fight the clock to enrich you, you will surely be lagged behind soon. B：如果你不抓紧时间充...

F-7:feel free to do sth.尽情放怀 A:At last the final examination comes to an end. A:期未考试终于结束了。 B:Lets have a party tonight. OK? B:今天开个晚会，怎么样？ A:Fantastic! We can feel free to eat and play finall...