A: I don't know why I get a stage fright when I speak to a large crowd of people.
B: That's the case with many people.
A: And when you are afraid of giving a poor account of yourself, you will feel even worse.
B: I think that is where the problem lies.
get a stage fright（怯场）
同义词：have stage fright
e.g. He's so good at speaking to a crowd that he never gets the slightest stage fright.
e.g. She isn't a practised public speaker, but she never get stage fright, facing her audience.
e.g. He would probably have done well in the examination, only that he got stage fright.
e.g. When I went to the witness stand, I had stage fright.
1. be afraid of：害怕
e.g. I am afraid of going through that wood.I'll take the road.
e.g. The shop assistant was not in the least afraid of the trouble.
e.g. He was afraid of putting his fear into words.
e.g. I was afraid of the boy and I had an urge to run away from him.
2. give a poor ( good ) account of oneself：表现拙劣，干得差劲，表现不好
e.g. He gave a poor account of himself in that research．
e.g. She will give a good account of herself in the exams if only her mind was put to her studies.
译：That is where the problem lies.
译：That is the case with many people.