adjective [原级] 快的，迅速的；系牢的，紧缚的；寻欢作乐的；不褪色的；忠实的，可靠的
The only question is how fast the process will be. 惟一的问题是这个过程会有多快。
adverb [程度副词] 快速地；坚定地，牢固地
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。
verb [vi. 不及物动词] 斋戒，禁食
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。
noun [专属名词] 斋戒，斋戒期
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。
- fast 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 081&82 Roast beef and potatoes fast 名词: 斋戒
- Lesson 92 Asking for trouble fast 副词: 熟（睡）
- Lesson 74 out of the limelight
- Lesson 84 On strike
- Lesson 39 Nothing to worry about
- Lesson 48 The silent village
- Lesson 10 Silicon valley
- Lesson21 Williams S. Hart and the early 'Western' film
- 网友用 “Fast” 造句精选
- 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。
- ...fast cars with flashing lights and sirens. …闪灯、鸣笛、快速行驶的汽车。
- News travels fast these days. 如今消息传播得很快。
- 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！
- ...the Muslim holy month of fasting and prayer. …穆斯林斋戒和祈祷的圣月。
- That clock's an hour fast. 那个钟快了一个小时。
- 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。
- When he went upstairs five minutes later, she was fast asleep. 他5分钟后上楼时，她已熟睡。