1.abstaining from food
2.acting or moving or capable of acting or moving quickly;
fast film
3.(used of timepieces) indicating a time ahead of or later than the correct time;
my watch is fast
4.at a rapid tempo;
the band played a fast fox trot
5.(of surfaces) conducive to rapid speeds;
a fast road
6.firmly fastened or secured against opening;
windows and doors were all fast
7.resistant to destruction or fading;
fast colors
8.unrestrained by convention or morality;
Congreve draws a debauched aristocratic society
9.hurried and brief;
paid a flying visit
10.securely fixed in place;
the post was still firm after being hit by the car
11. unwavering in devotion to friend or vow or cause;
a firm ally
12.quickly or rapidly (often used as a combining form);
how fast can he get here?
13.firmly or tightly;
held fast to the rope
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
fast:英語單詞,翻譯中文后基本含義為緊的, 牢的, 忠實的, 快速的, 耐久的, 含義。也指敏捷、短暫含義。