輕快

hing1 faai3

agile; light and quick; spry; lively; blithe

趕咁快去死咩

gon2 gam3 faai3 heoi3 sei2 me1

what's the big rush for? [colloquial]

快掣

faai3 zai3

noun; it describes a person who speaks fast; automatic rifle

快線

faai3 sin3

the fast lane

話都冇咁快

waa6 dou1 mou5 gam3 faai3

so fast; before you know it; no sooner said than done

快啲

faai3 di1

hurry up; faster

快車

faai3 ce1

express (train, bus, etc.)

快捷

faai3 zit6

(computer) shortcut

快把

faai1 baa2

quick and get something done; homophonic: it means fibre

快速以太網絡

faai3 cuk1 ji5 taai3 mong5 lok3

Fast Ethernet

先睹為快

sin1 dou2 wai4 faai3

to have the pleasure to be the first person to see sth.

特快專遞

dak6 faai3 zyun1 dai6

speed post; international courier service; EMS

不快

bat1 faai3

be unhappy; be displeased; be in low spirits; be indisposed; feel under the weat

快餐店

faai3 caan1 dim3

a fast-food restaurant

趕快

gon2 faai3

quickly; hurriedly; immediately; at once

旅程愉快

leoi5 cing4 jyu4 faai3

"have a nice trip"

換畫快過打針

wun6 waa6*2 faai3 gwo3 daa2 zam1

be quick to break up with old girlfriends and meet new ones; literally to show n

快槍手

faai3 coeng1 sau2

a man who ejaculates very quickly during sex [colloquial]

快閃黨

faai3 sim2 dong2

flash mob, a group of people who assemble suddenly in a public place

拍手稱快

paak3 sau2 cing1 faai3

to applaud