fast /fɑːst/ CET4 TEM4 ( fasting, fasted, faster, fasts, fastest )

• 1. 

  ADJ Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed. 迅速的

  例：

  ...fast cars with flashing lights and sirens.

  …闪灯、鸣笛、快速行驶的汽车。

  例：

  The only question is how fast the process will be.

  惟一的问题是这个过程会有多快。

• 2. 

  ADV Fast is also an adverb. 迅速地 [ADV with v]

  例：

  They work terrifically fast.

  他们工作极快。

  例：

  It would be nice to go faster and break the world record.

  再快一些，打破世界纪录就好了。

  例：

  How fast would the disease develop?

  这种疾病发展有多快？

• 3. 

  ADJ If a watch or clock is fast, it is showing a time that is later than the real time. (钟表) 快于准确时间的 [v-link ADJ]

  例：

  That clock's an hour fast.

  那个钟快了一个小时。

• 4. 

  ADJ If colours or dyes are fast, they do not come out of the fabrics they are used on when they get wet. 不褪色的

  例：

  The fabric was ironed to make the colours fast.

  这布被熨烫过以使其不褪色。

• 5. 

  ADV You use fast to say that something happens without any delay. 毫不耽搁地 [ADV after v]

  例：

  When you've got a crisis like this you need professional help – fast!.

  在遇到这样的危机时，你需要专业的救助–丝毫不能耽搁！

• 6. 

  ADJ Fast is also an adjective. 毫不耽搁的 [ADJ n]

  例：

  That would be an astonishingly fast action on the part of the Congress.

  那将是国会方面一次快得惊人的行动。

• 7. 

  ADV If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move. 紧紧地 [ADV after v]

  例：

  She climbed the staircase cautiously, holding fast to the rail.

  她紧握扶手，小心翼翼地爬上楼梯。

• 8. 

  ADV If you hold fast to a principle or idea, or if you stand fast, you do not change your mind about it, even though people are trying to persuade you to. 坚定地 [ADV after v]

  例：

  We can only try to hold fast 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。

• 9. 

  V-I If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest. (因宗教、医疗或抗议等原因) 禁食

  例：

  I fasted for a day and a half and asked God to help me.

  我禁食了一天半，请求上帝帮助我。

• 10. 

  N-COUNT Fast is also a noun. 禁食

  例：

  The fast is broken at sunset, traditionally with dates and water.

  日落时开斋，按传统会吃海枣、喝水。

• 11. 

  fasting N-UNCOUNT 禁食

  例：

  ...the Muslim holy month of fasting and prayer.

  …穆斯林斋戒和祈祷的圣月。

• 12. 

  PHRASE Someone who is fast asleep is completely asleep. 熟睡

  例：

  When he went upstairs five minutes later, she was fast asleep.

  他5分钟后上楼时，她已熟睡。