Is my grammar correct? I felt nauseated after smelling the disgusting vomit.

Practice Makes Perfect My daughter will take midterm exams tomorrow. Therefore, today she studied much harder than usual. Her Englsih, Chinese and science grades are pretty good, but she is not so good at math. She sometimes asked me jokingly that “ Could you lend me your math brain? ” I told her that practice makes perfect.

Two Scientists Last night, I watched a video on YouTube, which referred to a history about two scientists, Thomas Edison and Nikola Tesla. I remembered when I was a child, my school history class taught me that Edison was a great scientist who invented the light bulb. But, after I watched the video, I actually knew Edison was very sneaky. I haven’t heard about Nikola Tesla since I watched the video. He was so intelligent that I suppose he might come from the future.

Go Shopping This noon, my daughter and I went to a department store which is next to the Taipei bus station. We ate Udon noodles and some deep fried food for lunch. The underground of the department is connected to the Taipei MRT station through an underground street. After lunch, we went shopping on the underground street. We saw many young people who wore costumes cosplayed as videogame characters. Maybe some people take cosplay as nonsense, but I think cosplay is really interesting. If I were a young man, I would join the cospaly activity as they did.

Is my grammar correct? I tossed and turned all last night.

What's the difference between "school fair" and "school carnival" ? What's the difference between "school fair" and "school carnival" ?

How can I translate this sentence "我昨天參加了我朋友的學校園遊會" I went to my friend's school carnival yesterday. Is it correct?

How can I translate this sentence? 我请了三天公假去开会。 I take two duty days off for a meeting. 我请了三天公假去开会。 Is it correct?

"swimming competition", "swimming contest", "swimming meet", which is correct or more common ? "swimming competition", "swimming contest", "swimming meet", which is correct or more common ?