biàn
(literary) happy; delighted
忭舞
biàn wǔ
variant of 抃舞[bian4 wu3]
欢忭
huān biàn
欢忭鼓舞
huān biàn gǔ wǔ
see 歡欣鼓舞|欢欣鼓舞[huan1 xin1 gu3 wu3]