A colleague saw me with a long face and a sideways tongue and ignored me.

Your colleague does this to everyone, he is such a person, such a temper;

Your colleagues just treat you like that, which can be divided into several situations: first, you provoked him; you didn't do the job he asked you to do well, which caused him trouble; What did you do or say that made him uncomfortable, disgusted or disgusted? Second, you didn't do anything against him, but other colleagues kept passing the word, that is, an indirect third party led him to misunderstand you.

Don't care too much about how to be perfect, but ask for a clear conscience. Everyone can't be nice to you, and you can't satisfy everyone.

Some people treat him like a human being, but he doesn't treat you like a human being. You treat him like a bird, and he treats you like a person.

Be yourself, do your job, and let others do what they say.