fence with . talk with somebody to give skillful answers or arguments against somebody 敏答巧辩；搪塞
The governor was an expert at fencing with reporters at press conferences．州长在记者招待会上很善于回避记者的问题。
We are very angry at his just fencing with our criticism．他一味地对我们的批评进行搪塞，使我们很恼火。
fend for oneself . feed oneself without outside assistance独立谋生；照顾自己
The old couple have no one to do the washing and heavy cleaning；they have to fend for themselves．这对老夫妇无人帮他们清洗打扫，他们只能自己照顾自己。
An orphan in the old society，he was left to fend for himself．他在旧社会是个孤儿，全靠自己谋生。
Having depended on his aunt for many years，he finally decided to leave her home and fend for himself．多年来他一直依靠姑母生活，后来他终于决定离开她家独自谋生。
fend off . ward off；keep off躲开；挡回；避开；回避
He fended off the blow with his arm．他用胳膊挡回了打击。
The speaker fended off the difficult questions．演讲者回避了难题。
He is not the kind of person to fend off difficulties．他决不是那种见了困难就躲开的人。
ferret out . smell out . find or discover by diligent searching找出；探出；搜出
The murderer was ferreted out．凶手被查获了。
John ferreted out the answer to the question in the library．约翰在图书馆找到了问题的答案。
Where did you ferret out my book？I lost it long ago．你从哪儿找到我这本书的？它已丢失好长时间了。
Jane smelled out the boy's secret hiding place in the woods．简发现了这男孩在树林里的秘密隐藏处。
fetch up . eventually arrive（in a place）到达
We all fetched up simultaneously at the same spot．我们是在同时到达同一地点的。
When did you fetch up in Nanjing？你是什么时候到达南京的？
fetch up . come to a halt突然停止
The car suddenly fetched up in front of our building．那辆车突然在我们楼前停了下来。
He was fetched up short by the red light．他突然被红灯挡住停下。
fetch up . make up,（lost time，）弥补（失去的时间等）
I have been playing for two days in the week； I'll redouble my efforts to fetch up the lost time．本周我已经玩了两天，我将加倍努力把失去的时间补上。
fetch up . vomit呕吐
He's very unwell and fetches up all he eats．他病得不轻，吃什么吐什么。
fetch up . recall回忆
He often fetches up his interesting life in his childhood．他常常回忆他儿童时代的有趣的生活。
fetch up . raise；bring up抚养；养大
She fetched up two orphans．她抚养了两个孤儿。
few and far between . not many；few and scattered稀少
Places where you can get water are few and far between in the desert．在沙漠里你能得到水的地方是太少了。
His holidays are few and far be tween．他的假日真是太少了。
Houses are few and far between in this area．这个地区的房屋稀少。
fiddle around . fiddle about. spend time playing；act idly虚度年华；鬼混
If you go to college，you must work，not fiddle about．如果你要上大学，就得努力，不要鬼混。
Don't stand there fiddling about，go on with your job．不要站在那儿混时间，继续去干你的活吧！
Why don't you get on with your work，instead of just fiddling about？你干吗不干事而在那儿鬼混？
Stop fiddling about with that radio set and listen to me．别摆弄那台收音机浪费时间，听我讲话。
fight against . engage in war against；contend with； oppose对…作战；与…斗争；反对
Great Britain fought with France against Germany．英国与法国并肩抵抗德国。
She has many temptations to fight against．她必须抵抗许多诱惑。
fight down . fight back. struggle to control；suppress；hold in check努力抑制；压服；克服
She fought back her tears as she said goodbye．她告别时抑制住了泪水。
She fought down her excitement and went on with her work．她极力克制自己的激动，继续干工作。
The firemen fought down the flames at last．消防队员终于控制了火势。
He fought down his anxiety．他忍住急躁。
She tried to fight down her terror．她尽力控制自己的恐惧感。
fight it out . fight to the end；resolve or settle by fighting决一雌雄；辩个明白
They fought it out with knives．他们刀刃相见，决一雌雄。
It's not a good way to fight a dispute out．决一雌雄来解决纷争，这不是一个好办法。
There was no other course open to us but to fight it out．我们除了打到底，别无出路。
We had better fight this thing out．我们最好把这个问题辩个明白。
We are determined to fight it out come what may．不管怎么样，我们决心干到底，决一胜负。
fight off . defeat in a fight；repel击退
He fought off three men who attacked him．他打退了三个袭击他的人。
Our troops have fought the invaders off．我们的部队已击退了侵略者。
The boat's crew fought off the attack of the octopus．船上水手们击退了大章鱼的袭击。
fight off . drive away with effort赶走；努力摆脱；驱除
Although the girl tried to fight him off，in the end she was caught by him．虽然这女孩努力摆脱他，但最后还是让他抓住了。
She fought off her drowsiness and went on with her reading．她尽力驱赶睡意，继续读书。
We can fight off a cold by taking aspirin．我们可以服用阿斯匹林来治疗感冒。