In addition to mental retardation and language impairment, one of her legs is 3.8 centimeters shorter than the other. She therefore used to walk on tiptoes with her shorter leg and her gait was very unbalanced. Liu's mother watched her like a hawk, afraid that she might tumble and bruise herself. Last year, Ho custom-made a pair of shoes for little Liu.
四歲的劉小妹妹是天生的多重障礙患者，除了智能、語言發育遲緩外，兩腿長度也差了三・八公分，走起路來，較短、較小的那隻腿都得踮起腳跟一高一低走著，很不平衡，媽媽的視線總是不能離開她，深恐她一不小心就跌得瘀青。