a person or thing that can move quickly
fixed; not easy to move
"on the fast track in school"
"set a fast pace"
"a fast car"
"my watch is fast"
"the band played a fast fox trot"
"a fast road"
"grass courts are faster than clay"
"Congreve draws a debauched aristocratic society"
"deplorably dissipated and degraded"
"paid a flying visit"
"took a flying glance at the book"
"a quick inspection"
"a fast visit"
"the post was still firm after being hit by the car"
"a firm ally"
"the true-hearted soldier...of Tippecanoe"
"a fast lens"
"how fast can he get here?"
"ran as fast as he could"
"needs medical help fast"
"fast-opening (or fast-closing) shutters"
"held fast to the rope"
"her foot was stuck fast"
"Catholics sometimes fast during Lent"
"Before the medical exam, you must fast"
She kept the yearly fast and went to the synagogue.
出自： H. Segal
A remarkably fast sleeper.
出自： R. Macaulay
The girl sat very insecurely, clinging fast.
出自： D. H. Lawrence
误 You're very quick, aren't you?
正 You're very fast, aren't you?
误 Be fast!
正 Be quick!
误 Helen types fastly and efficiently.
正 Helen types fast and efficiently.
误 Hold fastly to the rope, and I will pull you up.
正 Hold fast to the rope, and I will pull you up.
误 The train was going more and more fast.
正 The train was going faster and faster.