百米賽跑

100-meter dash

hundred / numerous / all kinds of

rice / CL:粒[li4] / meter (classifier)

to compete / competition / match / to surpass / better than / superior to / to excel

race (running) / to race (running)

(of an animal) to paw (the ground)

to run / to run away / to escape / to run around (on errands etc) / (of a gas or liquid) to leak or evaporate / (verb complement) away / off