to do tai chi / to practice kung-fu (or other martial art) / to train (for dancing, acrobatics etc)
国标
guó biāo
national standard (abbr. for 國家標準|国家标准[guo2 jia1 biao1 zhun3]) / international standard ballroom dancing (abbr. for 國際標準舞|国际标准舞[guo2 ji4 biao1 zhun3 wu3])
Xieju opera (ballad and dancing monologue, popular in Sichuan)
跳集体舞
tiào jí tǐ wǔ
to do ensemble dancing / to dance in a group
尬舞
gà wǔ
(slang) to battle each other in street dancing (derived from Taiwanese 較, which sounds similar to Mandarin 尬[ga4]) / (slang) to perform weird dance moves
广场舞
guǎng chǎng wǔ
square dancing, an exercise routine performed to music in public squares, parks and plazas, popular esp. among middle-aged and retired women in China