What mean bitch?I see this in a book?

"bitch" n. is a female dog,wolf, greyhound bitch. .In derogatory slang,貶抑的辱駡俚語,or disapproving way,is an offensive way of referring to a woman,an unpleasant one,who causes problems or difficulties
eg:-Staffs have been having a bitch about their female boss who always complain in a sour,spiteful惡意的 way.