英和和英

a fast-paced talker

a quick playful piece of music, called scherzo

the thrill of speed

It's better to be brisk and slapdash than painstaking but slow.

fast-paced fiction

a fertilizer which acts slowly

military march accompanying quick time

It is quick of sale―slow of sale.

put the plans into effect quickly and smoothly

a shallow, rapid stream

a fast worker [reader, pitcher, typist]

a slow musical movement

to speed up and then slow down

slow but steady growth

There are abilities that improve rapidly and those that improve slowly, aren't there?

a state of cattle walking very slowly

move with slow, sinuous movements

a slow [quick] study

a quickly beating heart

the unadjusted clock is running fast

a slowly moving mass of ice

of wave beginning to swelling slowly

instant replay caused too long a delay

a walking pace that is considered average in speed

a steep and rapid fall

a walk with a quick pace

a sharp rise followed by a sharp decline

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to be slow and require much time

quick as a wink