fast的读音是：英[fɑːst]。fast的意思是adj.快的；迅速的；紧的；牢固的；放荡的；adv.快速地；紧紧地；放荡地；深深地；n.斋戒；禁食；系泊用具；v.斋戒；禁食。fast比较级:faster；最高级:fastest；过去式:fasted；过去分词:fasted；现在分词:fasting；第三人称单数:fasts。
一、详尽释义点此查看fast的详细内容
二、英英释义
"fast film"
"on the fast track in school"
"set a fast pace"
"a fast car"
"my watch is fast"
"the band played a fast fox trot"
"a fast road"
"grass courts are faster than clay"
"fast colors"
"Congreve draws a debauched aristocratic society"
"deplorably dissipated and degraded"
"riotous living"
"fast women"
"paid a flying visit"
"took a flying glance at the book"
"a quick inspection"
"a fast visit"
"the post was still firm after being hit by the car"
"a firm ally"
"loyal supporters"
"the true-hearted soldier...of Tippecanoe"
"fast friends"
"a fast lens"
"how fast can he get here?"
"ran as fast as he could"
"needs medical help fast"
"fast-running rivers"
"fast-breaking news"
"fast-opening (or fast-closing) shutters"
"held fast to the rope"
"her foot was stuck fast"
"held tight"
"Catholics sometimes fast during Lent"
"Before the medical exam, you must fast"
三、词典解释
1.快的;迅速的
Fast means happening, moving, or doing something at great speed. You also usefast in questions or statements about speed.
e.g. ...fast cars with flashing lights and sirens...
闪着灯、鸣着笛、飞速行驶的车辆
e.g. Brindley was known as a very, veryfast driver...
众所周知，布林德利是个喜欢飞车的人。
2.迅速地;立即
You usefast to say that something happens without any delay.
e.g. When you've got a crisis like this you need professional help —fast!...
当你遇到这样的危急情况，就需要专业救援了——要快！
e.g. We'd appreciate your leaving asfast as possible.
如果您能尽快离开，我们将不胜感激。
3.(钟表)偏快的，走得快的
If a watch or clock isfast, it is showing a time that is later than the real time.
e.g. That clock's an hourfast.
那个钟快了一个小时。
4.紧紧地;牢牢地;死死地
If you hold somethingfast, you hold it tightly and firmly. If something is stuckfast, it is stuck very firmly and cannot move.
e.g. She climbed the staircase cautiously, holdingfast to the rail...
她紧紧地抓着栏杆，小心翼翼地爬楼梯。
e.g. The tanker is stuckfast on the rocks.
油轮紧卡在礁石中间动弹不得。
5.坚定地;毫不动摇地
If you holdfast to a principle or idea, or if you standfast, you do not change your mind about it, even though people are trying to persuade you to.
e.g. We can only try to holdfast to the age-old values of honesty, decency and concern for others...
我们只能努力坚守那些古老的价值观：诚实、正派、关心他人。
e.g. He told supporters to standfast over the next few vital days.
他叫支持者在接下来的几个重要日子里站稳立场。
6.(颜色或染料)不褪色的，不掉色的
If colours or dyes arefast, they do not come out of the fabrics they are used on when they get wet.
e.g. The fabric was ironed to make the coloursfast.
为防止掉色，织物已经过熨烫。
7.骄奢淫逸的;刺激而快乐的
Afast way of life is one which involves a lot of enjoyable and expensive or dangerous activities.
e.g. Life in Detroit no longer satisfied him; he wanted thefast life of California.
他不再满意底特律的生活，想要过加利福尼亚那种刺激快乐的生活。
8.斋戒;禁食;绝食
If youfast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest.
e.g. I fasted for a day and half and asked God to help me.
我斋戒了一天半，祈求上帝伸出援手。
9.熟睡的;沉睡的
Someone who isfast asleep is completely asleep.
e.g. When he went upstairs five minutes later, she wasfast asleep.
他5分钟后上楼时，她已睡熟。
10.玩猫腻;玩弄
If you say that someoneis playing fast and loose, you are expressing disapproval of them for behaving in a deceitful, immoral, or irresponsible way.
fast的反义词
e.g. There have been people who have playedfast and loose with the rules.
有人在玩弄这些规则。
11.欺骗;哄骗;愚弄
If you say that someonehas pulled a fast one on you, you mean that they have cheated or tricked you.
e.g. No doubt someone had pulled afast one on her over a procedural matter.
无疑有人在程序性问题上骗了她。
12. to make afast buck -> see buck
fast lane -> see lane
四、例句
I like fast music.
我喜欢节奏快的音乐。
The star was whipped into a fast car and driven off.
那个明星迅速上了一辆汽车疾驶而去。
The post is fast in the ground.
那柱子牢牢地埋在地里.
He led a fast life.
他过着放荡的生活。
He ran fast enough to catch the thief.
他跑得飞快，足以抓住那小偷。
Bind the rope fast lest it should come loose.
把绳子绑牢，免得它松脱。
He is living too fast for his health.
他现在的生活过于放荡，于健康不利。
The boat was stuck fast in the mud.
那船深深地陷在泥里.
The priest had only water and bread during his three week fast.
牧师在三个星期的斋戒期间只进食水和面包。
So the meal that breaks your fast should be healthy and wholesome.
因此解除禁食的这一餐应该是健康有益的。
They have to fast from dawn to dusk.
他们一整天都得禁食。
Before the medical exam, you must fast.
在体检之前，你必须禁食。
五、词汇搭配
六、情景对话
Skating-(滑冰)
A：Hey John, nice skates. Are they new?
你好，约翰，冰鞋真漂亮。新的吗？
fast的解释
B：Yeah, I just got them. I started playing ice hockey in a community league. So, I finally got myself new skates.
是呀，我刚买的。我开始在一个社团打冰球。所以，终于给自己买了一双新的冰鞋。
A：What position do you play?
你打什么位置？
B：I’m a defender. It’s a lot of fun. You don’t have to be able to skate asfast on defense.
打后卫。真是很有趣。而且打后卫溜冰速度不用很快。
A：Yeah, you’re a pretty big guy. I play goalie, myself.
是的，你是个大块头，我是守门员。
B：Oh, yeah? Which team?
噢，是吗？哪一个队？
A：The Rockets.
火箭队的。
B：Really? I think we play you guys next week. Well, I have to go to practice. See you later.
真的吗？我想下个星期是我们和你们比赛，好了，我要去练习了，以后见。
A：All right, see you later.
好的，再见。
Learning English-(学英语)
A：Ralph, do me a favor, will you?
拉尔夫，帮我一个忙，好吗？
B：That all depends on what it is.
这要看帮什么忙。
A：This is the proble, I'm still having trouble with my English.The instructor suggests that I ask an American to help me by telling me how he says the things I say which just aren't English.I wanted you to be the American.
我有个困难。我的英语仍然遇到麻烦。老师建议我请一位美国人帮助，要他告诉我，我说的那些根本不像英语的话应当怎样说。我想要你做这个美国人。
B：What good'll it do?You never speak English unless you absolutely have to.I'll help you if you promise to speak noting but English all the time.
这有什么用？你除了非说不可的时候，你从来不说英语。好吧！我跟你达成一个协议：如果你保证在任何时候除了英语外什么也不说，我就帮助你。
A：All right. Maybe I'll do that.It's the only way I'll be able to learn Englishfast enough, I guess.
好吧，也许我能办得到。我想这是我能迅速学会英语的唯一方法。
七、词义辨析
fast的相关近义词
quick、rapid、secure、solid、speedy、swift、tight、firmly、like a flash、quickly、rapidly、securely、speedily、swiftly、tightly
fast的相关反义词
crawling、dull、insecure、loose、slow
fast的相关临近词
fasten、fashionable、Fastr、FASTN、Fasta、Fasti、Fasth、Fastje、Fastum、Fastio、faster、Fastow