英文關鍵字
adult
athlete
athletic
body
box
boxer
boy
caucasian
challenge
competition
exercise
fight
fit
fitness
follow
guy
gymnasium
handsome
health
healthy
isolated
karate
male
man
mind
model
monitored
motivation
muscle
muscular
pensive
people
person
power
practice
preparation
preparing
ring
soul
sport
strength
strong
teenager
time
training
watch
white
winner
work
young