He has difficulty learning mathematics 他在学数学方面有困难
He has difficulty sleeping 他睡觉有困难
He often has difficulty 他经常遇到的困难有
Every individual has difficulty in 每个人都有的难处
Has the difficulty person 有困难的人
A new difficulty has arisen 出现了新的困难
it has certain difficulty 有一定的难度
He Has Hearing Difficulty 他有听力困难
has met unprecedented difficulty 遇到了前所未有的困难
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