frenetic [also phrenetic]

adj.發狂似的 [frantic; frenzied.]

frenzy

n.發狂[ extreme mental agitation; wild excitement or derangement.]

  ex. In a frenzy of hate he killed his enemy.
  一股仇恨湧上心頭,他殺死了他的敵人。

  convulsion:contraction＝frenzy:emotion
  痙攣是收縮加劇＝瘋狂是感情加劇

frequency [also frequence]

n.頻率

  frequency:pitch＝wavelength:color
  頻率決定音高＝波長決定顏色

frequent

adj.,頻繁的

  ex. A few of these have received frequent usage.
  其中有些已經得到廣泛應用。

v.時常出入於  [ to visit often; go often to; be often in]

  ex. John likes to frequent the bars.
  約翰喜歡經常出入酒吧。

fresco

源於 fresh新鮮

n.濕壁畫 [The art of painting on fresh, moist plaster with pigments dissolved in water.]

fiasco  n.完全失敗

fresco n.濕壁畫

這幅壁畫(fresco)真是個大失敗(fiasco)

fret

n/v.苦惱; 煩躁 [to feel or express worry, annoyance, discontent, or the like]

  ex. Doubts began to fret his mind.
  疑慮開始使他心情煩躁。

n.迴紋飾 ex. fretwork

  ps.

  fretful adj.苦惱的; 煩躁的

friable

adj.易碎的;脆弱的(容易變成粉的) [easily crumbled or reduced to powder; crumbly]

 ex. surface soil near river is commonly friable.

  friable:crumble＝malleable:alter
  易碎的容易打碎＝可改變的容易改變

friction

frict(rub)-ion

n.摩擦;摩擦力 [The rubbing of one object or surface against another.]

  ex. Friction causes a rolling ball to stop finally.
  摩擦力使得一隻滾動的球最終停了下來。

frieze

n.【建】帶狀裝飾 [A plain or decorated horizontal part of an entablature between the architrave and cornice.]

"sculptured horizontal band in architecture," 1563, from M.Fr. frise, originally "a ruff," from M.L. frisium "embroidered border," variant of frigium, probably from L. Phrygium "Phrygian, Phrygian work," fromPhrygia, the ancient country in Asia Minor known for its embroidery. Folk etymology is Fr. drap de Frise "cloth of Friesland." Meaning "decorative band along the top of a wall" was in O.Fr.

Phrygia  n.佛裡幾亞→小亞細亞中西部古國，位於今天的土耳其中部。受到過呂底亞古國、波斯、希臘、羅馬和拜占庭的統治，所以其建築風格有一點Byzantium

frieze  n.【建】帶狀裝飾

freeze v.冰凍

ps. 2013, Jun 22 補充： Frieze 是Greek and Roman建築藝術的一個特色，像是上面左圖就是來自希臘的建築，其中有很精美的雕作在frieze之中。最有名是Parthenon(巴特農神廟)上的frieze.

Ancient Art Podcast 11a, Parthenon Frieze

frigid

frig(cool)-id

adj.嚴寒的 [ very cold in temperature]

  ex. a frigid climate.

adj.性冷感的 (of a woman)

  exuberant:happy＝frigid:cool
  非常高興的是特別高興＝嚴寒的是特別冷

frigidity

frig-id-ity

n.嚴寒 [the state or condition of being frigid.]

  ex. The frigidity of her manner melted away at once.
  她對人冷漠的態度馬上消失了。

fringe

n.穗 [A decorative border or edging of hanging threads, cords, or strips, often attached to a separate band.]

n.邊緣

  ex. They put up tents on the fringes of the woods.
  他們在樹林邊緣搭起帳篷。

n.劉海

ps.

flange

n.凸緣 [A protruding rim, edge, rib, or collar, as on a wheel or a pipe shaft, used to strengthen an object, hold it in place, or attach it to another object.]

frisky

adj. [Energetic, lively, and playful; frolic, gambol]

 ex. a frisky kitten.

frivolous

adj.輕佻的 [characterized by lack of seriousness or sense; inappropriately silly]

  ex. At age of 18, he's still frivolous and needs to grow up.

  ex. frivolous:gravity＝brash:discretion  
  輕佻的不嚴肅＝倉促的不謹