Lyra just....stared at the professor. She heard him talking, No, correction , SCREAMING but she was so scared that she didn't really hear him. When people stood and ......bowed?! Lyra looked alarmed. Why were they bowing?
Luckily, (for her) she finally grasped what was going on.

Right, introductions. Well lets see........heh this might even be fun .not

Lyra stood up from her chair and only nodded her head slowly.
She was not going to bow for someone who is screaming at her! nuhuh. no matter how powerfull he claims to say he is!
yes Lyra is very stubborn

'Ok Lyra say something' "My name is Lyra Riddle and it's my ambition to become a Auror, sir!! She said with a loud voice as if she was in the Military. Mweh, stupid nervousness, but actually she had far more ambitions...liiiike

1. running away
2. hide
3. laugh
4. cry

After analyzing her thoughts she giggled a little disgusted. And she wanted to be a Auror? But Lyra wasn't so stupid to look scared, unless this BIIIIIG man knew how to use legilimens and read her thoughts , which she doubted very much, she was safe.