I have a speech disability making it impossible to use the phone.

我说话有障碍，无法使用电话。

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The rate of language hypoevolutism was 42.55%, that was the highest in all types of speech disability.

言语残疾类型中，语言发育迟缓所占比例最高，达42.55％；

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Objective To investigate the status of rehabilitation demands of persons with speech disability in Beijing.

目的考察北京市言语残疾人的康复需求情况。

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The Smith-Magenis Syndrome Foundation UK said major features of the condition include mild to moderate intellectual disability, delayed speech and language skills, distinctive facial features, sleep disturbances, and behavioural problems.

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Between Bonham Carter's natural, rather posh English accent and her character's disability (which causes slurred speech), it's hard to understand her at times, so you really have to pay attention.

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