fast的双解释义

1. 敏捷的，快的，迅速的
2. 可靠的
3. 忠实的
4. 不褪色的
5. 牢实的，坚牢的，坚固的
6. 粘得紧的，固定的
7. 激烈的
8. （钟表）走得快的
9. 感光快的
10. 迅速发生的，立即发生的

1. 牢固地，紧紧地
2. 快地，迅速地
3. 酣畅地
4. 紧迫地
5. 接连不断地
6. 不久，立即
7. 完全地

1. 禁食期
2. 斋戒
3. 禁食
4. 绝食期

1. 节制饮食，节食
2. 忌食某些食物
3. 斋戒

1. abstaining from food

1. acting or moving or capable of acting or moving quickly;

   "fast film"
   "on the fast track in school"
   "set a fast pace"
   "a fast car"
   

2. (used of timepieces) indicating a time ahead of or later than the correct time;

   "my watch is fast"
   

3. at a rapid tempo;

   "the band played a fast fox trot"
   

4. (of surfaces) conducive to rapid speeds;

   "a fast road"
   "grass courts are faster than clay"
   

5. resistant to destruction or fading;

   "fast colors"
   

6. unrestrained by convention or morality;

   "Congreve draws a debauched aristocratic society"
   "deplorably dissipated and degraded"
   "riotous living"
   "fast women"
   

7. hurried and brief;

   "paid a flying visit"
   "took a flying glance at the book"
   "a quick inspection"
   "a fast visit"
   

8. securely fixed in place;

   "the post was still firm after being hit by the car"
   

9. unwavering in devotion to friend or vow or cause;

   "a firm ally"
   "loyal supporters"
   "the true-hearted soldier...of Tippecanoe"
   "fast friends"
   

10. (of a photographic lens or emulsion) causing a shortening of exposure time;

    "a fast lens"
    

1. quickly or rapidly (often used as a combining form);

   "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"
   

2. firmly or closely;

   "held fast to the rope"
   "her foot was stuck fast"
   "held tight"
   

1. abstain from certain foods, as for religious or medical reasons;

   "Catholics sometimes fast during Lent"
   

2. abstain from eating;

   "Before the medical exam, you must fast"
   

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

hold fast to

坚持(某种思想或原则等) continue to believe in (an idea, a principle, etc.)

• She kept the yearly fast and went to the synagogue.

  出自：H. Segal

• A remarkably fast sleeper.

  出自：R. Macaulay

• The girl sat very insecurely, clinging fast.

  出自：D. H. Lawrence

1. fast的基本意思是“快的”,通常指运动的人或物体本身有快速的特点。引申指“牢固的”,此时只用作表语。还可指“(颜色)不褪色的”。
2. fast可以表示钟表时间的快,但要放在时间名词之后,而不能按汉语的表达习惯放在前面。

1. fast用作副词时,可指物体或人的速度快,主要用来修饰人或物体的动作。也可指某物“牢固地”。
2. fast可与介词连用,如by, in等。