快 /kuài/ angolul

fast [faster, fastest]▼(moving or capable of moving with great speed)
adjective
[UK: fɑːst] [US: ˈfæst]

quick [quicker, quickest]▼(moving with speed)
adjective
[UK: kwɪk] [US: ˈkwɪk]

rapid [rapider, rapidest]▼(Very swift or quick)
adjective
[UK: ˈræ.pɪd] [US: ˈræ.pəd]

fast▼(with great speed)
adverb
[UK: fɑːst] [US: ˈfæst]

soon▼(within a short time)
adverb
[UK: suːn] [US: ˈsuːn]