fast
[ADJ, ADV, NOUN, VERB]
faster , fastest
1. 迅速的
Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed.
近义词
双语例句
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.
唯一的问题是这个过程会有多快。
2. （钟表）快于准确时间的
If a watch or clock is fast, it is showing a time that is later than the real time.
双语例句
例：That clock's an hour fast.
那个钟快了一个小时。
3. 不褪色的
If colours or dyes are fast, they do not come out of the fabrics they are used on when they get wet.
双语例句
例：The fabric was ironed to make the colours fast.
为防止褪色，织物已熨烫过。
4. 毫不耽搁的
You use fast to say that something happens without any delay.
近义词
双语例句
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。
ADJ. 形容词
1. 迅速地
Fast means at great speed.
近义词
双语例句
例：They work terrifically fast.
他们干活极快。
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？
2. 毫不耽搁地
3. 紧紧地
If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move.
近义词
双语例句
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。
4. 坚定地
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.
近义词
双语例句
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。
ADV. 副词
fasts
1. [C 可数名词] 禁食
A fast is the act of eating no food for a period of time, usually for either religious or medical reasons, or as a protest.
双语例句
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。
NOUN. 名词
fast asleep
1. 熟睡
Someone who is fast asleep is completely asleep.
双语例句
例：When he went upstairs five minutes later, she was fast asleep.
他5分钟后上楼时，她已熟睡。
PHRASE. 习语
fasts , fasting , fasted
1. [I 不及物动词] （因宗教、医疗或抗议等原因）禁食 , 斋戒
If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest.
双语例句
例：I fasted for a day and a half and asked God to help me.
我斋戒了一天半，请求上帝帮助我。
VERB. 动词
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