資料來源:dictionary.com

Dictionary.com Unabridged (v 1.0.1) - Cite This Source

fast1  /fæst, fɑst/ Pronunciation Key - Show Spelled Pronunciation[fast, fahst] Pronunciation Key - Show IPA Pronunciation adjective, -er, -est, adverb, -er, -est, noun
–adjective
1. moving or able to move, operate, function, or take effect quickly; quick; swift; rapid: a fast horse; a fast pain reliever; a fast thinker.
2. done in comparatively little time; taking a comparatively short time: a fast race; fast work.
3. (of time)
a.indicating a time in advance of the correct time, as of a clock.
b.noting or according to daylight-saving time.
-------------------其餘關於fast解釋部份略--------------------

有特別只出fast在時間上只適用於:
a.顯示時間比正確時間快.如鐘錶上
b.基於北美的"日光節約"

---------------------------------分隔線---------------------------

再來...省得有人說我罵人 gay的翻譯(來源同樣dictionary.com)

(上略)

WordNet - Cite This Source

gay

adj 1: bright and pleasant; promoting a feeling of cheer; "a cheery hello"; "a gay sunny room"; "a sunny smile" [syn: cheery, sunny] 2: full of or showing high-spirited merriment; "when hearts were young and gay"; "a poet could not but be gay, in such a jocund company"- Wordsworth; "the jolly crowd at the reunion"; "jolly old Saint Nick"; "a jovial old gentleman"; "have a merry Christmas"; "peals of merry laughter"; "a mirthful laugh" [syn: jocund, jolly, jovial, merry, mirthful] 3: given to social pleasures often including dissipation; "led a gay Bohemian life"; "a gay old rogue with an eye for the ladies" 4: brightly colored and showy; "girls decked out in brave new dresses"; "brave banners flying"; "`braw' is a Scottish word"; "a dress a bit too gay for her years"; "birds with gay plumage" [syn: brave, braw] 5: offering fun and gaiety; "a gala ball after the inauguration"; "a festive (or festal) occasion"; "gay and exciting night life"; "a merry evening" [syn: gala(a), festal, festive, merry] 6: homosexual or arousing homosexual desires [syn: queer, homophile(a)] n : someone who practices homosexuality; having a sexual attraction to persons of the same sex [syn: homosexual, homo]
WordNet ® 2.0, © 2003 Princeton University

(下略)

(懶得中翻了...英文好的自己看....