difficult后接to还是for

difficult后接to还是for it is difficult to do /doingit is difficult 后接to do 还是doing 是be difficult to sb 还是be difficult for sb? because it is difficult （）me 填to还是for be difficult to sb还是 be difficult for sb.? 到底该用哪个介词啊? Doing this job is difficult for him 还是 Doing this job is difficult to him 是it is difficult to me to do sth还是it is difficult to me for sth还是it is difficult to me to sth It is difficult and inconvenient for还是to you请问是用for 还是 to It is difficult and inconvenient for/to you ...请问是用for 还是 to 呢? It is difficult and inconvenient for/to you请问是用for 还是 to 这对我太难了怎么说英文是it's difficult for me 还是it's difficult to me It's difficult to me 还是It's difficult for me 如果都对,有何区别? Students found it difficult for them to learn English中是该用for them还是for themselves best wishes 后接to you ,还是for you? give advice ( )me.后接介词是for还是to is difficult to do sth .还是to doingis difficult to do sth .还是to doing sth, for 和to 的区别?To get up early is very difficult to me .是对的还是To get up early is very difficult for me 请说明,再给点例子好吗 It's difficult for a robot to do the same things _____ a person.横线是填 as 还是 like