What are the manifestations of shyness among girls?

Low-key, afraid that I can't, so I dare not try anything.

Don't look into other people's eyes when you speak.

Sometimes I stammer and blush.

The sound is very small

Avoid the person you like, dare not talk to him, run away when you meet his eyes, but are eager to see him.

Like a person who can't express himself, secretly love to pay for him.

When I am shy, I will frown, bite my lips, hold my hands tightly or fiddle with things, bow my head back and dare not look up at others. ...