Severe burns can result in the formation of scars or keloids that are bad looking. They can even lead to joint contracture, joint deformity and difficulty in movement.

因烧伤而造成的疤痕和结疤增生可能会影响仪容，甚至会使到关节挛缩、畸型及活动困难。

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On the basis of skill, unique and difficulty of the movement in the training of calisthenics, it must pay attention to the cultivation of dancing consciousness.

健美操训练在动作熟练、独特、高难度的基础上，必须重视舞蹈意识的培养。

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Difficulty is the backbone of a set of movement and the only factor to decide technical value score for a whole set of movement.

难度是一套动作的主干，是决定成套动作技术价值评分高低的唯一因素。

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The difficulty starts out on the incredibly easy side and quickly gets more challenging as new hazards and movement techniques are introduced.

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