adjective快的,迅速的;(钟表)走得快
adverb快,迅速;牢固地,深沉地
verb禁食,斋戒
adjectivemoving, happening or doing something very quickly
adjectiveIf a clock or watch is fast, it shows a time that is later than the real time
adverbquickly
adverbcompletely
verbto not eat food for a certain time