What does it mean if you are in a room and a girl with ger friends come by to ask the teacher a question, she does'nt come in. What does that mean?

She sees me and "hides" a little. Her and her friends also knows I like her.

What does it mean if you are in a room and a girl with ger friends come by to ask the teacher a question, she does'nt come in. What does that mean?
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