faster 是 fast 的比较级fastKK [fæst] /fæst/发音形容词1快的、快速的、迅速的She is the fastest swimmer on the whole team.她是全队游得最快的人。2快的指钟表My watch is about five minutes fast.我的手表快了大约五分钟。3牢固的、紧的、稳固的Make sure the rope is fast before you climb down.往下爬之前要确认绳子绑牢了。4不褪色的、固色的指染料、颜色The dye is fast, so the shirt won't fade in the wash.这种染料不褪色,所以衬衫洗了不会变淡。5放荡的、纵情享乐的旧式He got mixed up with a rather fast crowd downtown.他跟市区一群相当放荡的人混在一起。副词1快、快速地、迅速地Don't drive so fast on this narrow mountain road.在这条狭窄的山路上不要开这么快。2牢牢地、紧紧地The back wheel was stuck fast in the mud.后轮牢牢地卡在泥巴里。3沉沉地、熟多用于 fast asleepThe baby was fast asleep by eight o'clock.宝宝八点就睡得很熟了。动词1禁食、斋戒、断食Many believers fast from sunrise to sunset during that month.许多信徒在那个月从日出到日落都禁食。名词1禁食、斋戒、断食She ended her three-day fast with a bowl of soup.她喝了一碗汤,结束为期三天的断食。用这个字练口说→相关片语fast asleeplightning fastpull a fast one