做某事有困难 There is some difficulty in doing sth ; There is no difficulty doing sth ; Difficult to do something ; There is no

做某事有\无困难 do sth with\without difficulty

做某事没有/有困难 there is no/some difficulty doing sth

某事上有困难 Something difficult on the

做某事对某人有困难 sth be difficult for sb