have difficulty gainning

have difficulty gainning have difficulty 搭配 have difficulty in have difficulty 后跟什么? have difficulty doing sth 是have little difficulty?还是have some difficulty? have difficulty with sth 对么 have difficulty on sth对吗 用have difficulty doing 造句 have difficulty in doing sth .have some difficulty or difficulties? have difficulty with sth中difficulty要不要遍复数?