adj.快的；迅速的；緊的；牢固的；放蕩的
adv.快速地；緊緊地；放蕩地；深深地
n.齋戒；禁食；系泊用具
v.齋戒；禁食
I like fast music. 我喜歡節(jié)奏快的音樂。
The star was whipped into a fast car and driven off. 那個(gè)明星迅速上了一輛汽車疾駛而去。
The post is fast in the ground. 那柱子牢牢地埋在地里.
用作副詞 (adv.)He ran fast enough to catch the thief. 他跑得飛快，足以抓住那小偷。
Bind the rope fast lest it should come loose. 把繩子綁牢，免得它松脫。
He is living too fast for his health. 他現(xiàn)在的生活過于放蕩，于健康不利。
The boat was stuck fast in the mud. 那船深深地陷在泥里.
用作名詞 (n.)The priest had only water and bread during his three week fast. 牧師在三個(gè)星期的齋戒期間只進(jìn)食水和面包。
So the meal that breaks your fast should be healthy and wholesome. 因此解除禁食的這一餐應(yīng)該是健康有益的。
用作動(dòng)詞 (v.)They have to fast from dawn to dusk. 他們一整天都得禁食。
Before the medical exam, you must fast. 在體檢之前，你必須禁食。
fast的基本意思是“快的”,通常指運(yùn)動(dòng)的人或物體本身有快速的特點(diǎn)。引申指“牢固的”,此時(shí)只用作表語。還可指“(顏色)不褪色的”。
fast可以表示鐘表時(shí)間的快,但要放在時(shí)間名詞之后,而不能按漢語的表達(dá)習(xí)慣放在前面。
adv.(副詞)fast用作副詞時(shí),可指物體或人的速度快,主要用來修飾人或物體的動(dòng)作。也可指某物“牢固地”。
fast可與介詞連用,如by, in等。
