To have a slender waist and narrow shoulders, describing a lithe and graceful figure.
她从小学习舞蹈，身姿轻盈，蜂腰削背，举手投足间都透着一股优雅。
Having studied dance since childhood, her figure was lithe and graceful, with a slender waist and delicate shoulders, radiating elegance in her every movement.
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