I find it is hard to understand .understand 后还用加宾语吗?

I find it is hard to understand .understand 后还用加宾语吗? i find it quite hard to understand this passage. I found it hard to understand him . 中it 后可以加上is 吗?为什么? I find it hard to understand n____ speakers because they spe I find it is easy to understand American accent.为什么什么用it 不用t I really （ ）help NO,it is （t ）hard to understand the English it is too hard to understand the voices It is sometimes hard to understand that an encouraging word we find____ is very hard to makehim understand it The passage is quite hard to understand,isn't it? i know that it's hard to understand I think it ’s too hard to understand speak English