To be persuasive（有说服力的）, able to cause people to do something by asking or giving reasons.
She is good at selling things, because she is very persuasive.
You can be more persuasive if you have facts to support you.
To be convincing（令人信服的）, to provide powerful support for a believe and to overcome doubts.
The evidence that he was murdered was convincing.
I couldn't convince them that I was telling the truth, so they arrested me.
To be misleading, to lead away from the truth, to give a false idea.
Their advertisements are misleading, so be careful not to be fooled.
He tried to mislead me into buying it by exaggerating the benefits.
To be unique, to be highly unusual or different from others.
I like that design, because it's unique and attractive.
She has a unique personality that some people don't like.
To be ordinary, to be just like others, not different from any other.
Their products are ordinary with nothing except a low price to recommend them.
The food at that restaurant was expensive, but the taste was ordinary.
（There is nothing ordinary about her，so we should give her a promotion.）
