martial art
US /ˌmɑːr.ʃəl ˈɑːrt/
UK /ˌmɑːr.ʃəl ˈɑːrt/

1.
武术
any of various sports or skills, mainly of Japanese and Chinese origin, that involve fighting and self-defense, such as judo, karate, and kung fu
:
•
He has been practicing martial arts for over ten years.
他练习武术已经十多年了。
•
Many children learn martial arts for discipline and self-defense.
许多孩子学习武术是为了纪律和自卫。