His appearance was just a joke.

I will go abroad for further study in my third year of college or after graduation.

I will study abroad when I graduate from college or in my junior year.

He had no choice but to laugh with them because he didn't know the meaning of the joke.

He didn't understand the joke, so he had to laugh with them.

This sentence means to ask you what kind of person Calgary is, and I can't help you answer it. I need you to evaluate what kind of person he is, and then I will help you translate.