[ I ] (esp. of a horse) to jump into the air with the head down and the back arched:[ I ] (esp. of a horse) to jump into the air with the head down and the back arched:
As a designer, she bucked the trend and succeeded with her own original ideas.
(of a horse) to jump into the air and kick out with the back legs(of a horse) to jump into the air and kick out with the back legs
（马）弓背跳跃，尥起后蹄跳跃
