Question

how to know that someone hates you or dont like you? give some signs

Answer 1

If someone hated you then he try to ignore you
he will not focus on you

Answer 2

people crossing their arms while speaking to you or looking elsewhere when doing the same are ways to know that your hopeful new relationships isn't going far.
the distance someone keeps from you, whether or not their arms are crossed, lack of eye contact, forced smiles and other nonverbal behaviors can and sometimes are indicators as to whether or not someone likes you," she said. "This is not always the case, however, and just like any rule, there are always exceptions. But many times, if people are displaying two, three or four of the signs listed below, there's a good chance they might consider you a foe versus friend."