放慢速度

to ease up the pace / to slow things down

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)

to reduce the pace (of movements, steps etc)

slow

fast / rapid / quick / velocity

speed / rate / velocity / (music) tempo / CL:個|个[ge4]

to pass / to spend (time) / measure / limit / extent / degree of intensity / degree (angles, temperature etc) / kilowatt-hour / classifier for events and occurrences

to estimate / Taiwan pr. [duo4]