fluent

流利的

She speaks fluent French.

她說得一口流利的法文。


flush

臉紅/沖馬桶

He flushed angrily./Remember to flush the toilet after use.

他氣得滿臉通紅。/馬桶使用後記得要沖水。


forbid

禁止

The new law forbids smoking in offices./I was forbidden to leave the house./Women were forbidden from entering the sacred chamber.

新法律禁止在辦公室抽煙。/我被禁足了。/婦女被禁止進入聖室。


formula

方法/公式/配方

There's no magic formula for success./Sugar is represented by the simple formula $\text{CH}_2\text{O}$. /We changed the formula of the detergent.

成功沒有訣竅。/糖的化學簡式是 $\text{CH}_2\text{O}$。/我們改變了洗滌劑的配方。


frost

霜/霜凍

The frost killed the young tomato plants.

霜凍凍死了番茄幼苗。


frustrate

使...挫敗/阻撓/使感到灰心

Thick fog frustrated their attempt to land on the tiny island./I felt frustrated because I failed English.

濃霧阻撓了他們登陸小島的嘗試。/我因為英文不及格而感到灰心。


financial

財政的/金融的

The store was a financial failure and soon closed./It was a wonderful film, but not exactly a financial success.

這間店賠本很快就關閉了。/這部電影很好不假,但並非是金融意義上的成功。


fireplace

壁爐

Children hang their Christmas stockings above the fireplace.

孩子們把聖誕襪掛在壁爐上。


flatter

奉承/使...更漂亮

Her husband always flatters her by praising her cooking./That dress really flatters your figure.

她的丈夫總是讚美她的廚藝來奉承她。/那件洋裝使你的身材看起來更好。


flea

跳蚤

You can buy old or used goods in a flea market.

你可以在跳蚤市場買到舊東西或是二手貨。


flexible

可彎曲的/有彈性的/可更改的

A rubber hose is flexible./My schedule is flexible; I could arrange to meet any day next week.

橡皮管可以彎曲。/我的行程很有彈性,可以安排下週任何一天見面。


foam

泡沫/滅火泡沫

She scraped the foam off her coffee.

她刮掉咖啡上的泡沫。


forecast

預測/預報

According to weather forecast, it is going to snow later today./Rain was forecast for the weekend.

氣象預報說今天稍晚會下雪。/氣象預報週末有雨。


founder

創立者

He is the founder of the club.

他是這個俱樂部的創始人。


fragile

易碎的/脆弱的

They carefully packed the fragile china into cartons./The old lady in the wheelchair looks very fragile.

他們小心將易碎瓷器裝入紙箱。/坐輪椅的老婦人看上去十分虛弱。


frustration

挫折/挫敗

He felt a sense of frustration after repeated failures.

經過多次失敗後,他有一種挫折感。


fundamental

根本的/最重要的

The fundamental cause of his success is his hard work.

他成功的根本原因是他的努力工作。


furthermore

此外

He was smart. Furthermore, he worked very hard.

他很聰明。此外,他很努力工作。


formation

構成物/形成

Clouds are formations of condensed water vapor.

雲是水汽凝聚而成的。


fortunate

幸運的/僥倖的

I was fortunate enough to be admitted to CGSH.

我很幸運能進入成功高中。


fossil

化石/頑固的人

The search team is ready to go fossil hunting./She is an old fossil.

這個研究團隊準備好去搜尋化石。/她是個老頑固。


foundation

地基/基礎/創辦/基金會

It took the builders three weeks to lay the foundations./The foundation of the university took place over 400 years ago./We are raising money for Taiwan Foundation for Rare Disorders.

建築工人花了三星期打地基。/該大學於四百多年前創辦。/我們正為罕見疾病基金會募款。


frame

骨架/框架/框

The frame of the umbrella is made of metal./That's a nice picture—you should put it in a frame.

這把傘的骨架是金屬製的。/那是一幅好畫,你應該把它裱起來。


frequency

頻繁/頻率

Accidents are happening with increasing frequency.

事故正在愈加頻繁地發生。


fulfill

實現/履行

Visiting Disneyland has fulfilled a boyhood dream./He has failed to fulfill his duties as a father.

到迪士尼樂園玩實現了兒時的夢想。/他沒有履行他身為父親的責任。


functional

實用的/正常運作的

We want our new kitchen to be functional./By next year, the hospital is expected to be fully functional.

我們希望新廚房很實用。/醫院可望在明年全面正常運作。


flee

逃離/抑制

Many dissidents in that totalitarian state fled overseas to avoid political suppression.

許多在那極權國家的異議分子為躲避政治迫害逃離海外。


fort

要塞/堡壘

They defended the fort against enemy's heavy attack.

他們守著堡壘抵抗敵人的猛攻。


freshman

一年級生/新生

They are the freshmen of the English Department.

他們是英文系的新生。


frown

皺眉/表示不滿

The father frowned on/upon his son's behavior.

父親不贊成他兒子的行為。


funeral

葬禮

Hundreds of mourners attended the mayor's funeral.

好幾百名送葬者參加了市長的葬禮。


furious

狂怒的

He is furious at being kept in the dark.

他因為被瞞著而大發雷霆。


furnish

配置(家具)/裝備

Her room was plainly furnished with a bed and a desk.

她的房間很簡單,只有一張床和書桌。