Write an idiom with the word "dragon" as required: describe the vivid momentum and free and easy style of calligraphy.

Dragon and Phoenix Dance, Dragon and Tiger Leap, Ye Gong and Long Hao, Dragon and Horse Spirit, Han Long and Feng Yi, Long Pan and Feng Yi, Long Xiang and Bao Bian, son-in-law,

In the dragon's flat and tiger's den, the tiger steps and dragons rise, enters the dragon, makes the finishing point, dragons hide and tigers roar, dragons fly in the sky, dragons ride clouds, dragons compete for pearls, one dragon and one snake, drop dragons and tigers, grow old, jump tigers and lie down, give birth to nine children, climb phoenix dragons and grandchildren, and climb phoenix dragons.