黑俄罗斯梗的动作是自由的，有流畅的、轻松的、轻快的动作。

A Black Russian Terrier should move freely with a smooth easy springy motion.

youdao

只见第一个运动员，他往后退了一步，一个帅气的动作，然后正对着横杆冲过去，加速冲刺，一个轻快有力的起跑，脚一踮，身体腾空起来，过去了。 。

See the first athlete, he took a step back, a handsome action, and facing the lever blunt past, spurt, a strong start, light foot stand, lift up body, in the past.

youdao

灵敏的，轻快的：动作或行动迅速、轻巧或灵敏的；灵巧的。

Quick, light, or agile in movement or action; deft.

youdao