They are friendly 和 They are as friendly 的差別在哪裡？
回答I'm not sure about what you mean with " as friendly ". They are friendly is they are nice , kind etc you would have to add something to as ...
it's really 和 it's true 和 this is really 和 this is true 的差別在哪裡？
回答really means very and true can be a statement/sentence
He is honest 和 He is genuine 和 He is sincere 的差別在哪裡？
回答They all mean the same thing.
They were like all over him是什麼意思
回答Like, in this case, is a filler word that people use like umm and uh. Without knowing the context they were all over him could mean they were...
She is really kind. 和 She really is kind 的差別在哪裡？
回答There is not much of a difference, but when someone does something nice for you, you should say “you are really kind” or “she is really kind”...