欢蹦乱跳 huān bèng luàn tiào

DEFINITIONS

  1. glowing with health and vivacity (idiom)

CHARACTERS

欢 huān happy, pleased, glad; joy; enjoy
蹦 bèng hop, leap, jump; bright
乱 luàn confusion, state of chaos, revolt
跳 tiào jump, leap, vault, bounce; dance