骨头松了英语怎么说怎么写

骨头松了的英文表达是 "loose bones"。
这个表达的来源是指当骨头因为某些原因（例如骨质疏松、骨折、扭伤等）而导致骨头比正常情况下松动的状态。
下面是一些英文例句，并附上中文翻译：
"I fell and broke my arm, and now the bones feel loose." (我摔倒摔断了我的胳膊，现在骨头感觉松了。)
"My grandma has osteoporosis, so she has to be careful not to fall because her bones are loose." (我的奶奶有骨质疏松症，所以她必须小心不要摔倒，因为她的骨头松了。)
"The doctor said I have a loose bone in my ankle, so I have to wear a brace to support it." (医生说我的踝骨松了，所以我必须戴上膝盖帮助支撑。)