HI, please help me.
'Frances Smith-McCarley, the coordinator of the program, is a street-speech activist in her own right. Helping students grasp not only English grammar but the naughty parts that go with it is, she believes, a lesson in survival skills. “What most concerns me,” she says, “is when our students hear racial or religious swear or hate words and may not know that they or their children are the victims of discrimination.” In other words,
Amira didn’t have to cover her notebook when Smith-McCarley walked by. In fact, she didn’t need a notebook to begin with.'
http://www2.macleans.ca/2010/12/02/swearing-as-a-second-language/#more-160515 I have no idea what the boldface sentence means, so could you teach me?